Home / 689,444.91-1,034,167.68-216,167.18

Finding the Fourth Proportional to 689,444.91, 1,034,167.68 and 216,167.18

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Solution

The fourth proportional to 689,444.91, 1,034,167.68 and 216,167.18 is: 324,250.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,444.91 : 1,034,167.68 = 216,167.18 : x
  2. Step 2: Convert to fraction form
    689,444.91/1,034,167.68 = 216,167.18/x
  3. Step 3: Cross multiply
    689,444.91x = 1,034,167.68 × 216,167.18
  4. Step 4: Simplify right side
    689,444.91x = 223,553,108,929.41
  5. Step 5: Solve for x
    x = 223,553,108,929.41/689,444.91
  6. Step 6: Final answer
    x = 324,250.86

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Double scale
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Similar ratio
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1.5x scale

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.