Home / 814,960.28-1,223,245.02-611,849.96

Finding the Fourth Proportional to 814,960.28, 1,223,245.02 and 611,849.96

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Solution

The fourth proportional to 814,960.28, 1,223,245.02 and 611,849.96 is: 918,379.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,960.28 : 1,223,245.02 = 611,849.96 : x
  2. Step 2: Convert to fraction form
    814,960.28/1,223,245.02 = 611,849.96/x
  3. Step 3: Cross multiply
    814,960.28x = 1,223,245.02 × 611,849.96
  4. Step 4: Simplify right side
    814,960.28x = 748,442,416,557.20
  5. Step 5: Solve for x
    x = 748,442,416,557.20/814,960.28
  6. Step 6: Final answer
    x = 918,379.01

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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.