Home / 749,114.70-1,123,672.05-300,050.70

Finding the Fourth Proportional to 749,114.70, 1,123,672.05 and 300,050.70

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Solution

The fourth proportional to 749,114.70, 1,123,672.05 and 300,050.70 is: 450,076.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,114.70 : 1,123,672.05 = 300,050.70 : x
  2. Step 2: Convert to fraction form
    749,114.70/1,123,672.05 = 300,050.70/x
  3. Step 3: Cross multiply
    749,114.70x = 1,123,672.05 × 300,050.70
  4. Step 4: Simplify right side
    749,114.70x = 337,158,585,172.94
  5. Step 5: Solve for x
    x = 337,158,585,172.94/749,114.70
  6. Step 6: Final answer
    x = 450,076.05

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Half scale
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Double scale
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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.