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Finding the Fourth Proportional to 658,077.06, 908,164.97 and 371,640.20

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Solution

The fourth proportional to 658,077.06, 908,164.97 and 371,640.20 is: 512,874.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,077.06 : 908,164.97 = 371,640.20 : x
  2. Step 2: Convert to fraction form
    658,077.06/908,164.97 = 371,640.20/x
  3. Step 3: Cross multiply
    658,077.06x = 908,164.97 × 371,640.20
  4. Step 4: Simplify right side
    658,077.06x = 337,510,614,283.31
  5. Step 5: Solve for x
    x = 337,510,614,283.31/658,077.06
  6. Step 6: Final answer
    x = 512,874.00

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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.