Home / 874,500.15-1,206,847.68-487,316.10

Finding the Fourth Proportional to 874,500.15, 1,206,847.68 and 487,316.10

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Solution

The fourth proportional to 874,500.15, 1,206,847.68 and 487,316.10 is: 672,517.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,500.15 : 1,206,847.68 = 487,316.10 : x
  2. Step 2: Convert to fraction form
    874,500.15/1,206,847.68 = 487,316.10/x
  3. Step 3: Cross multiply
    874,500.15x = 1,206,847.68 × 487,316.10
  4. Step 4: Simplify right side
    874,500.15x = 588,116,304,711.65
  5. Step 5: Solve for x
    x = 588,116,304,711.65/874,500.15
  6. Step 6: Final answer
    x = 672,517.10

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Double scale
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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.