Home / 722,608.60-1,081,839.30-442,672.60

Finding the Fourth Proportional to 722,608.60, 1,081,839.30 and 442,672.60

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Solution

The fourth proportional to 722,608.60, 1,081,839.30 and 442,672.60 is: 662,738.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,608.60 : 1,081,839.30 = 442,672.60 : x
  2. Step 2: Convert to fraction form
    722,608.60/1,081,839.30 = 442,672.60/x
  3. Step 3: Cross multiply
    722,608.60x = 1,081,839.30 × 442,672.60
  4. Step 4: Simplify right side
    722,608.60x = 478,900,615,713.18
  5. Step 5: Solve for x
    x = 478,900,615,713.18/722,608.60
  6. Step 6: Final answer
    x = 662,738.61

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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.