Home / 667,583.40-1,001,375.10-268,285.80

Finding the Fourth Proportional to 667,583.40, 1,001,375.10 and 268,285.80

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Solution

The fourth proportional to 667,583.40, 1,001,375.10 and 268,285.80 is: 402,428.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,583.40 : 1,001,375.10 = 268,285.80 : x
  2. Step 2: Convert to fraction form
    667,583.40/1,001,375.10 = 268,285.80/x
  3. Step 3: Cross multiply
    667,583.40x = 1,001,375.10 × 268,285.80
  4. Step 4: Simplify right side
    667,583.40x = 268,654,719,803.58
  5. Step 5: Solve for x
    x = 268,654,719,803.58/667,583.40
  6. Step 6: Final answer
    x = 402,428.70

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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.