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Finding the Fourth Proportional to 1,022.71, 1,532.96 and 503.07

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Solution

The fourth proportional to 1,022.71, 1,532.96 and 503.07 is: 754.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022.71 : 1,532.96 = 503.07 : x
  2. Step 2: Convert to fraction form
    1,022.71/1,532.96 = 503.07/x
  3. Step 3: Cross multiply
    1,022.71x = 1,532.96 × 503.07
  4. Step 4: Simplify right side
    1,022.71x = 771,186.19
  5. Step 5: Solve for x
    x = 771,186.19/1,022.71
  6. Step 6: Final answer
    x = 754.06

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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.