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Finding the Fourth Proportional to 713.53, 983.49 and 477.39

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Solution

The fourth proportional to 713.53, 983.49 and 477.39 is: 658.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    713.53 : 983.49 = 477.39 : x
  2. Step 2: Convert to fraction form
    713.53/983.49 = 477.39/x
  3. Step 3: Cross multiply
    713.53x = 983.49 × 477.39
  4. Step 4: Simplify right side
    713.53x = 469,508.29
  5. Step 5: Solve for x
    x = 469,508.29/713.53
  6. Step 6: Final answer
    x = 658.01

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Double scale
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1.5x scale

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.