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Finding the Fourth Proportional to 658,508.06, 908,741.22 and 356,702.06

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Solution

The fourth proportional to 658,508.06, 908,741.22 and 356,702.06 is: 492,248.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,508.06 : 908,741.22 = 356,702.06 : x
  2. Step 2: Convert to fraction form
    658,508.06/908,741.22 = 356,702.06/x
  3. Step 3: Cross multiply
    658,508.06x = 908,741.22 × 356,702.06
  4. Step 4: Simplify right side
    658,508.06x = 324,149,865,180.91
  5. Step 5: Solve for x
    x = 324,149,865,180.91/658,508.06
  6. Step 6: Final answer
    x = 492,248.90

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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.