Home / 851,132.12-1,174,562.03-469,165.28

Finding the Fourth Proportional to 851,132.12, 1,174,562.03 and 469,165.28

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Solution

The fourth proportional to 851,132.12, 1,174,562.03 and 469,165.28 is: 647,447.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,132.12 : 1,174,562.03 = 469,165.28 : x
  2. Step 2: Convert to fraction form
    851,132.12/1,174,562.03 = 469,165.28/x
  3. Step 3: Cross multiply
    851,132.12x = 1,174,562.03 × 469,165.28
  4. Step 4: Simplify right side
    851,132.12x = 551,063,718,982.42
  5. Step 5: Solve for x
    x = 551,063,718,982.42/851,132.12
  6. Step 6: Final answer
    x = 647,447.92

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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.