Home / 658,517.38-908,821.29-474,907.66

Finding the Fourth Proportional to 658,517.38, 908,821.29 and 474,907.66

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Solution

The fourth proportional to 658,517.38, 908,821.29 and 474,907.66 is: 655,421.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,517.38 : 908,821.29 = 474,907.66 : x
  2. Step 2: Convert to fraction form
    658,517.38/908,821.29 = 474,907.66/x
  3. Step 3: Cross multiply
    658,517.38x = 908,821.29 × 474,907.66
  4. Step 4: Simplify right side
    658,517.38x = 431,606,192,192.08
  5. Step 5: Solve for x
    x = 431,606,192,192.08/658,517.38
  6. Step 6: Final answer
    x = 655,421.11

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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.