Home / 667,665.90-1,001,498.85-268,368.30

Finding the Fourth Proportional to 667,665.90, 1,001,498.85 and 268,368.30

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Solution

The fourth proportional to 667,665.90, 1,001,498.85 and 268,368.30 is: 402,552.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,665.90 : 1,001,498.85 = 268,368.30 : x
  2. Step 2: Convert to fraction form
    667,665.90/1,001,498.85 = 268,368.30/x
  3. Step 3: Cross multiply
    667,665.90x = 1,001,498.85 × 268,368.30
  4. Step 4: Simplify right side
    667,665.90x = 268,770,543,826.46
  5. Step 5: Solve for x
    x = 268,770,543,826.46/667,665.90
  6. Step 6: Final answer
    x = 402,552.45

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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.