Home / 667,443.62-1,001,164.80-268,084.46

Finding the Fourth Proportional to 667,443.62, 1,001,164.80 and 268,084.46

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Solution

The fourth proportional to 667,443.62, 1,001,164.80 and 268,084.46 is: 402,126.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,443.62 : 1,001,164.80 = 268,084.46 : x
  2. Step 2: Convert to fraction form
    667,443.62/1,001,164.80 = 268,084.46/x
  3. Step 3: Cross multiply
    667,443.62x = 1,001,164.80 × 268,084.46
  4. Step 4: Simplify right side
    667,443.62x = 268,396,724,779.01
  5. Step 5: Solve for x
    x = 268,396,724,779.01/667,443.62
  6. Step 6: Final answer
    x = 402,126.44

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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.