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Finding the Fourth Proportional to 650,471.22, 897,687.90 and 363,988.80

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Solution

The fourth proportional to 650,471.22, 897,687.90 and 363,988.80 is: 502,325.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,471.22 : 897,687.90 = 363,988.80 : x
  2. Step 2: Convert to fraction form
    650,471.22/897,687.90 = 363,988.80/x
  3. Step 3: Cross multiply
    650,471.22x = 897,687.90 × 363,988.80
  4. Step 4: Simplify right side
    650,471.22x = 326,748,341,495.52
  5. Step 5: Solve for x
    x = 326,748,341,495.52/650,471.22
  6. Step 6: Final answer
    x = 502,325.59

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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.