Home / 802,585.82-1,107,568.13-440,001.91

Finding the Fourth Proportional to 802,585.82, 1,107,568.13 and 440,001.91

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Solution

The fourth proportional to 802,585.82, 1,107,568.13 and 440,001.91 is: 607,202.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,585.82 : 1,107,568.13 = 440,001.91 : x
  2. Step 2: Convert to fraction form
    802,585.82/1,107,568.13 = 440,001.91/x
  3. Step 3: Cross multiply
    802,585.82x = 1,107,568.13 × 440,001.91
  4. Step 4: Simplify right side
    802,585.82x = 487,332,088,084.52
  5. Step 5: Solve for x
    x = 487,332,088,084.52/802,585.82
  6. Step 6: Final answer
    x = 607,202.47

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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.