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Finding the Fourth Proportional to 576,463.33, 866,007.20 and 417,031.03

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Solution

The fourth proportional to 576,463.33, 866,007.20 and 417,031.03 is: 626,495.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,463.33 : 866,007.20 = 417,031.03 : x
  2. Step 2: Convert to fraction form
    576,463.33/866,007.20 = 417,031.03/x
  3. Step 3: Cross multiply
    576,463.33x = 866,007.20 × 417,031.03
  4. Step 4: Simplify right side
    576,463.33x = 361,151,872,518.26
  5. Step 5: Solve for x
    x = 361,151,872,518.26/576,463.33
  6. Step 6: Final answer
    x = 626,495.83

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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.