Home / 890,511.20-1,336,641.60-441,738.80

Finding the Fourth Proportional to 890,511.20, 1,336,641.60 and 441,738.80

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Solution

The fourth proportional to 890,511.20, 1,336,641.60 and 441,738.80 is: 663,042.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,511.20 : 1,336,641.60 = 441,738.80 : x
  2. Step 2: Convert to fraction form
    890,511.20/1,336,641.60 = 441,738.80/x
  3. Step 3: Cross multiply
    890,511.20x = 1,336,641.60 × 441,738.80
  4. Step 4: Simplify right side
    890,511.20x = 590,446,456,414.08
  5. Step 5: Solve for x
    x = 590,446,456,414.08/890,511.20
  6. Step 6: Final answer
    x = 663,042.15

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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.