Home / 982,085.85-1,472,699.30-495,468.58

Finding the Fourth Proportional to 982,085.85, 1,472,699.30 and 495,468.58

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Solution

The fourth proportional to 982,085.85, 1,472,699.30 and 495,468.58 is: 742,986.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,085.85 : 1,472,699.30 = 495,468.58 : x
  2. Step 2: Convert to fraction form
    982,085.85/1,472,699.30 = 495,468.58/x
  3. Step 3: Cross multiply
    982,085.85x = 1,472,699.30 × 495,468.58
  4. Step 4: Simplify right side
    982,085.85x = 729,676,235,868.49
  5. Step 5: Solve for x
    x = 729,676,235,868.49/982,085.85
  6. Step 6: Final answer
    x = 742,986.20

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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.