Home / 906,042.18-1,250,311.77-498,143.60

Finding the Fourth Proportional to 906,042.18, 1,250,311.77 and 498,143.60

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Solution

The fourth proportional to 906,042.18, 1,250,311.77 and 498,143.60 is: 687,423.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,042.18 : 1,250,311.77 = 498,143.60 : x
  2. Step 2: Convert to fraction form
    906,042.18/1,250,311.77 = 498,143.60/x
  3. Step 3: Cross multiply
    906,042.18x = 1,250,311.77 × 498,143.60
  4. Step 4: Simplify right side
    906,042.18x = 622,834,799,978.61
  5. Step 5: Solve for x
    x = 622,834,799,978.61/906,042.18
  6. Step 6: Final answer
    x = 687,423.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.