Home / 851,723.64-1,279,439.98-514,922.90

Finding the Fourth Proportional to 851,723.64, 1,279,439.98 and 514,922.90

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Solution

The fourth proportional to 851,723.64, 1,279,439.98 and 514,922.90 is: 773,505.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,723.64 : 1,279,439.98 = 514,922.90 : x
  2. Step 2: Convert to fraction form
    851,723.64/1,279,439.98 = 514,922.90/x
  3. Step 3: Cross multiply
    851,723.64x = 1,279,439.98 × 514,922.90
  4. Step 4: Simplify right side
    851,723.64x = 658,812,944,877.54
  5. Step 5: Solve for x
    x = 658,812,944,877.54/851,723.64
  6. Step 6: Final answer
    x = 773,505.53

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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.