Home / 987,694.01-1,480,397.38-454,095.17

Finding the Fourth Proportional to 987,694.01, 1,480,397.38 and 454,095.17

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Solution

The fourth proportional to 987,694.01, 1,480,397.38 and 454,095.17 is: 680,616.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,694.01 : 1,480,397.38 = 454,095.17 : x
  2. Step 2: Convert to fraction form
    987,694.01/1,480,397.38 = 454,095.17/x
  3. Step 3: Cross multiply
    987,694.01x = 1,480,397.38 × 454,095.17
  4. Step 4: Simplify right side
    987,694.01x = 672,241,296,952.92
  5. Step 5: Solve for x
    x = 672,241,296,952.92/987,694.01
  6. Step 6: Final answer
    x = 680,616.96

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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.