Home / 982,086.85-1,472,700.80-495,469.58

Finding the Fourth Proportional to 982,086.85, 1,472,700.80 and 495,469.58

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Solution

The fourth proportional to 982,086.85, 1,472,700.80 and 495,469.58 is: 742,987.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,086.85 : 1,472,700.80 = 495,469.58 : x
  2. Step 2: Convert to fraction form
    982,086.85/1,472,700.80 = 495,469.58/x
  3. Step 3: Cross multiply
    982,086.85x = 1,472,700.80 × 495,469.58
  4. Step 4: Simplify right side
    982,086.85x = 729,678,446,841.66
  5. Step 5: Solve for x
    x = 729,678,446,841.66/982,086.85
  6. Step 6: Final answer
    x = 742,987.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.