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Finding the Fourth Proportional to 726.04, 1,088.88 and 610.57

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Solution

The fourth proportional to 726.04, 1,088.88 and 610.57 is: 915.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    726.04 : 1,088.88 = 610.57 : x
  2. Step 2: Convert to fraction form
    726.04/1,088.88 = 610.57/x
  3. Step 3: Cross multiply
    726.04x = 1,088.88 × 610.57
  4. Step 4: Simplify right side
    726.04x = 664,837.46
  5. Step 5: Solve for x
    x = 664,837.46/726.04
  6. Step 6: Final answer
    x = 915.70

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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.