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Finding the Fourth Proportional to 695.59, 1,044.50 and 609.32

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Solution

The fourth proportional to 695.59, 1,044.50 and 609.32 is: 914.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.59 : 1,044.50 = 609.32 : x
  2. Step 2: Convert to fraction form
    695.59/1,044.50 = 609.32/x
  3. Step 3: Cross multiply
    695.59x = 1,044.50 × 609.32
  4. Step 4: Simplify right side
    695.59x = 636,434.30
  5. Step 5: Solve for x
    x = 636,434.30/695.59
  6. Step 6: Final answer
    x = 914.96

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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.