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Finding the Fourth Proportional to 598,327.62, 825,677.64 and 343,695.18

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Solution

The fourth proportional to 598,327.62, 825,677.64 and 343,695.18 is: 474,291.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,327.62 : 825,677.64 = 343,695.18 : x
  2. Step 2: Convert to fraction form
    598,327.62/825,677.64 = 343,695.18/x
  3. Step 3: Cross multiply
    598,327.62x = 825,677.64 × 343,695.18
  4. Step 4: Simplify right side
    598,327.62x = 283,781,425,101.78
  5. Step 5: Solve for x
    x = 283,781,425,101.78/598,327.62
  6. Step 6: Final answer
    x = 474,291.03

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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.