Home / 838,288.80-1,257,433.20-667,046.70

Finding the Fourth Proportional to 838,288.80, 1,257,433.20 and 667,046.70

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Solution

The fourth proportional to 838,288.80, 1,257,433.20 and 667,046.70 is: 1,000,570.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,288.80 : 1,257,433.20 = 667,046.70 : x
  2. Step 2: Convert to fraction form
    838,288.80/1,257,433.20 = 667,046.70/x
  3. Step 3: Cross multiply
    838,288.80x = 1,257,433.20 × 667,046.70
  4. Step 4: Simplify right side
    838,288.80x = 838,766,666,530.44
  5. Step 5: Solve for x
    x = 838,766,666,530.44/838,288.80
  6. Step 6: Final answer
    x = 1,000,570.05

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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.