Home / 747,230.92-1,121,175.24-392,159.32

Finding the Fourth Proportional to 747,230.92, 1,121,175.24 and 392,159.32

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Solution

The fourth proportional to 747,230.92, 1,121,175.24 and 392,159.32 is: 588,411.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,230.92 : 1,121,175.24 = 392,159.32 : x
  2. Step 2: Convert to fraction form
    747,230.92/1,121,175.24 = 392,159.32/x
  3. Step 3: Cross multiply
    747,230.92x = 1,121,175.24 × 392,159.32
  4. Step 4: Simplify right side
    747,230.92x = 439,679,319,719.24
  5. Step 5: Solve for x
    x = 439,679,319,719.24/747,230.92
  6. Step 6: Final answer
    x = 588,411.57

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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.