Home / 745,876.20-1,118,158.20-446,475.90

Finding the Fourth Proportional to 745,876.20, 1,118,158.20 and 446,475.90

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Solution

The fourth proportional to 745,876.20, 1,118,158.20 and 446,475.90 is: 669,321.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,876.20 : 1,118,158.20 = 446,475.90 : x
  2. Step 2: Convert to fraction form
    745,876.20/1,118,158.20 = 446,475.90/x
  3. Step 3: Cross multiply
    745,876.20x = 1,118,158.20 × 446,475.90
  4. Step 4: Simplify right side
    745,876.20x = 499,230,688,687.38
  5. Step 5: Solve for x
    x = 499,230,688,687.38/745,876.20
  6. Step 6: Final answer
    x = 669,321.11

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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.