Home / 982,270.80-1,472,542.20-665,701.20

Finding the Fourth Proportional to 982,270.80, 1,472,542.20 and 665,701.20

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Solution

The fourth proportional to 982,270.80, 1,472,542.20 and 665,701.20 is: 997,966.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,270.80 : 1,472,542.20 = 665,701.20 : x
  2. Step 2: Convert to fraction form
    982,270.80/1,472,542.20 = 665,701.20/x
  3. Step 3: Cross multiply
    982,270.80x = 1,472,542.20 × 665,701.20
  4. Step 4: Simplify right side
    982,270.80x = 980,273,109,590.64
  5. Step 5: Solve for x
    x = 980,273,109,590.64/982,270.80
  6. Step 6: Final answer
    x = 997,966.25

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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.