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Finding the Fourth Proportional to 650,072.52, 896,913.72 and 374,379.30

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Solution

The fourth proportional to 650,072.52, 896,913.72 and 374,379.30 is: 516,536.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,072.52 : 896,913.72 = 374,379.30 : x
  2. Step 2: Convert to fraction form
    650,072.52/896,913.72 = 374,379.30/x
  3. Step 3: Cross multiply
    650,072.52x = 896,913.72 × 374,379.30
  4. Step 4: Simplify right side
    650,072.52x = 335,785,930,654.00
  5. Step 5: Solve for x
    x = 335,785,930,654.00/650,072.52
  6. Step 6: Final answer
    x = 516,536.11

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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.