Home / 945,473.52-1,304,751.36-515,753.76

Finding the Fourth Proportional to 945,473.52, 1,304,751.36 and 515,753.76

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Solution

The fourth proportional to 945,473.52, 1,304,751.36 and 515,753.76 is: 711,739.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,473.52 : 1,304,751.36 = 515,753.76 : x
  2. Step 2: Convert to fraction form
    945,473.52/1,304,751.36 = 515,753.76/x
  3. Step 3: Cross multiply
    945,473.52x = 1,304,751.36 × 515,753.76
  4. Step 4: Simplify right side
    945,473.52x = 672,930,419,785.11
  5. Step 5: Solve for x
    x = 672,930,419,785.11/945,473.52
  6. Step 6: Final answer
    x = 711,739.04

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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.