Home / 747,929.70-1,120,315.05-495,331.20

Finding the Fourth Proportional to 747,929.70, 1,120,315.05 and 495,331.20

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Solution

The fourth proportional to 747,929.70, 1,120,315.05 and 495,331.20 is: 741,950.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,929.70 : 1,120,315.05 = 495,331.20 : x
  2. Step 2: Convert to fraction form
    747,929.70/1,120,315.05 = 495,331.20/x
  3. Step 3: Cross multiply
    747,929.70x = 1,120,315.05 × 495,331.20
  4. Step 4: Simplify right side
    747,929.70x = 554,926,998,094.56
  5. Step 5: Solve for x
    x = 554,926,998,094.56/747,929.70
  6. Step 6: Final answer
    x = 741,950.74

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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.