Home / 747,944.70-1,120,337.55-495,346.20

Finding the Fourth Proportional to 747,944.70, 1,120,337.55 and 495,346.20

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Solution

The fourth proportional to 747,944.70, 1,120,337.55 and 495,346.20 is: 741,973.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,944.70 : 1,120,337.55 = 495,346.20 : x
  2. Step 2: Convert to fraction form
    747,944.70/1,120,337.55 = 495,346.20/x
  3. Step 3: Cross multiply
    747,944.70x = 1,120,337.55 × 495,346.20
  4. Step 4: Simplify right side
    747,944.70x = 554,954,948,109.81
  5. Step 5: Solve for x
    x = 554,954,948,109.81/747,944.70
  6. Step 6: Final answer
    x = 741,973.23

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Double scale
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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.