Home / 676,621.92-932,773.68-485,574.24

Finding the Fourth Proportional to 676,621.92, 932,773.68 and 485,574.24

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Solution

The fourth proportional to 676,621.92, 932,773.68 and 485,574.24 is: 669,400.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,621.92 : 932,773.68 = 485,574.24 : x
  2. Step 2: Convert to fraction form
    676,621.92/932,773.68 = 485,574.24/x
  3. Step 3: Cross multiply
    676,621.92x = 932,773.68 × 485,574.24
  4. Step 4: Simplify right side
    676,621.92x = 452,930,870,758.00
  5. Step 5: Solve for x
    x = 452,930,870,758.00/676,621.92
  6. Step 6: Final answer
    x = 669,400.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.