Home / 747,734.70-1,120,022.55-495,136.20

Finding the Fourth Proportional to 747,734.70, 1,120,022.55 and 495,136.20

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Solution

The fourth proportional to 747,734.70, 1,120,022.55 and 495,136.20 is: 741,658.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,734.70 : 1,120,022.55 = 495,136.20 : x
  2. Step 2: Convert to fraction form
    747,734.70/1,120,022.55 = 495,136.20/x
  3. Step 3: Cross multiply
    747,734.70x = 1,120,022.55 × 495,136.20
  4. Step 4: Simplify right side
    747,734.70x = 554,563,709,321.31
  5. Step 5: Solve for x
    x = 554,563,709,321.31/747,734.70
  6. Step 6: Final answer
    x = 741,658.38

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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.