Home / 982,102.82-1,472,724.78-495,485.60

Finding the Fourth Proportional to 982,102.82, 1,472,724.78 and 495,485.60

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Solution

The fourth proportional to 982,102.82, 1,472,724.78 and 495,485.60 is: 743,011.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,102.82 : 1,472,724.78 = 495,485.60 : x
  2. Step 2: Convert to fraction form
    982,102.82/1,472,724.78 = 495,485.60/x
  3. Step 3: Cross multiply
    982,102.82x = 1,472,724.78 × 495,485.60
  4. Step 4: Simplify right side
    982,102.82x = 729,713,921,253.17
  5. Step 5: Solve for x
    x = 729,713,921,253.17/982,102.82
  6. Step 6: Final answer
    x = 743,011.74

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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.