Home / 745,793.10-1,118,689.65-272,817.90

Finding the Fourth Proportional to 745,793.10, 1,118,689.65 and 272,817.90

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Solution

The fourth proportional to 745,793.10, 1,118,689.65 and 272,817.90 is: 409,226.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,793.10 : 1,118,689.65 = 272,817.90 : x
  2. Step 2: Convert to fraction form
    745,793.10/1,118,689.65 = 272,817.90/x
  3. Step 3: Cross multiply
    745,793.10x = 1,118,689.65 × 272,817.90
  4. Step 4: Simplify right side
    745,793.10x = 305,198,561,064.74
  5. Step 5: Solve for x
    x = 305,198,561,064.74/745,793.10
  6. Step 6: Final answer
    x = 409,226.85

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Similar ratio
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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.