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Finding the Fourth Proportional to 885.60, 1,324.88 and 588.24

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Solution

The fourth proportional to 885.60, 1,324.88 and 588.24 is: 880.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    885.60 : 1,324.88 = 588.24 : x
  2. Step 2: Convert to fraction form
    885.60/1,324.88 = 588.24/x
  3. Step 3: Cross multiply
    885.60x = 1,324.88 × 588.24
  4. Step 4: Simplify right side
    885.60x = 779,347.41
  5. Step 5: Solve for x
    x = 779,347.41/885.60
  6. Step 6: Final answer
    x = 880.02

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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.