Home / 890,481.20-1,336,596.60-441,708.80

Finding the Fourth Proportional to 890,481.20, 1,336,596.60 and 441,708.80

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Solution

The fourth proportional to 890,481.20, 1,336,596.60 and 441,708.80 is: 662,997.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,481.20 : 1,336,596.60 = 441,708.80 : x
  2. Step 2: Convert to fraction form
    890,481.20/1,336,596.60 = 441,708.80/x
  3. Step 3: Cross multiply
    890,481.20x = 1,336,596.60 × 441,708.80
  4. Step 4: Simplify right side
    890,481.20x = 590,386,480,270.08
  5. Step 5: Solve for x
    x = 590,386,480,270.08/890,481.20
  6. Step 6: Final answer
    x = 662,997.13

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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.