Home / 667,080.09-1,000,807.20-268,001.10

Finding the Fourth Proportional to 667,080.09, 1,000,807.20 and 268,001.10

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Solution

The fourth proportional to 667,080.09, 1,000,807.20 and 268,001.10 is: 402,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,080.09 : 1,000,807.20 = 268,001.10 : x
  2. Step 2: Convert to fraction form
    667,080.09/1,000,807.20 = 268,001.10/x
  3. Step 3: Cross multiply
    667,080.09x = 1,000,807.20 × 268,001.10
  4. Step 4: Simplify right side
    667,080.09x = 268,217,430,487.92
  5. Step 5: Solve for x
    x = 268,217,430,487.92/667,080.09
  6. Step 6: Final answer
    x = 402,076.80

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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.