Home / 462,919.56-694,379.34-439,280.52

Finding the Fourth Proportional to 462,919.56, 694,379.34 and 439,280.52

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Solution

The fourth proportional to 462,919.56, 694,379.34 and 439,280.52 is: 658,920.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,919.56 : 694,379.34 = 439,280.52 : x
  2. Step 2: Convert to fraction form
    462,919.56/694,379.34 = 439,280.52/x
  3. Step 3: Cross multiply
    462,919.56x = 694,379.34 × 439,280.52
  4. Step 4: Simplify right side
    462,919.56x = 305,027,317,552.46
  5. Step 5: Solve for x
    x = 305,027,317,552.46/462,919.56
  6. Step 6: Final answer
    x = 658,920.78

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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.