Home / 838,772.55-1,257,469.92-333,116.28

Finding the Fourth Proportional to 838,772.55, 1,257,469.92 and 333,116.28

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Solution

The fourth proportional to 838,772.55, 1,257,469.92 and 333,116.28 is: 499,400.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,772.55 : 1,257,469.92 = 333,116.28 : x
  2. Step 2: Convert to fraction form
    838,772.55/1,257,469.92 = 333,116.28/x
  3. Step 3: Cross multiply
    838,772.55x = 1,257,469.92 × 333,116.28
  4. Step 4: Simplify right side
    838,772.55x = 418,883,701,962.30
  5. Step 5: Solve for x
    x = 418,883,701,962.30/838,772.55
  6. Step 6: Final answer
    x = 499,400.82

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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.