Home / 749,325.55-1,123,998.99-243,889.20

Finding the Fourth Proportional to 749,325.55, 1,123,998.99 and 243,889.20

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Solution

The fourth proportional to 749,325.55, 1,123,998.99 and 243,889.20 is: 365,837.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,325.55 : 1,123,998.99 = 243,889.20 : x
  2. Step 2: Convert to fraction form
    749,325.55/1,123,998.99 = 243,889.20/x
  3. Step 3: Cross multiply
    749,325.55x = 1,123,998.99 × 243,889.20
  4. Step 4: Simplify right side
    749,325.55x = 274,131,214,471.91
  5. Step 5: Solve for x
    x = 274,131,214,471.91/749,325.55
  6. Step 6: Final answer
    x = 365,837.27

Related Problems

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Half scale
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Double scale
Find fourth proportional to 749,326.55, 1,124,000.49 and 243,890.20
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.