Home / 667,658.40-1,001,487.60-268,360.80

Finding the Fourth Proportional to 667,658.40, 1,001,487.60 and 268,360.80

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Solution

The fourth proportional to 667,658.40, 1,001,487.60 and 268,360.80 is: 402,541.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,658.40 : 1,001,487.60 = 268,360.80 : x
  2. Step 2: Convert to fraction form
    667,658.40/1,001,487.60 = 268,360.80/x
  3. Step 3: Cross multiply
    667,658.40x = 1,001,487.60 × 268,360.80
  4. Step 4: Simplify right side
    667,658.40x = 268,760,013,526.08
  5. Step 5: Solve for x
    x = 268,760,013,526.08/667,658.40
  6. Step 6: Final answer
    x = 402,541.20

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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.