Home / 748,901.70-1,123,352.55-328,997.70

Finding the Fourth Proportional to 748,901.70, 1,123,352.55 and 328,997.70

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Solution

The fourth proportional to 748,901.70, 1,123,352.55 and 328,997.70 is: 493,496.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,901.70 : 1,123,352.55 = 328,997.70 : x
  2. Step 2: Convert to fraction form
    748,901.70/1,123,352.55 = 328,997.70/x
  3. Step 3: Cross multiply
    748,901.70x = 1,123,352.55 × 328,997.70
  4. Step 4: Simplify right side
    748,901.70x = 369,580,405,239.14
  5. Step 5: Solve for x
    x = 369,580,405,239.14/748,901.70
  6. Step 6: Final answer
    x = 493,496.55

Related Problems

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Half scale
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Double scale
Find fourth proportional to 748,902.70, 1,123,354.05 and 328,998.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.