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Finding the Fourth Proportional to 650,432.27, 975,648.41 and 428,764.43

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Solution

The fourth proportional to 650,432.27, 975,648.41 and 428,764.43 is: 643,146.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,432.27 : 975,648.41 = 428,764.43 : x
  2. Step 2: Convert to fraction form
    650,432.27/975,648.41 = 428,764.43/x
  3. Step 3: Cross multiply
    650,432.27x = 975,648.41 × 428,764.43
  4. Step 4: Simplify right side
    650,432.27x = 418,323,334,394.06
  5. Step 5: Solve for x
    x = 418,323,334,394.06/650,432.27
  6. Step 6: Final answer
    x = 643,146.65

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Similar ratio
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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.