Home / 674,376.88-1,010,907.85-269,448.38

Finding the Fourth Proportional to 674,376.88, 1,010,907.85 and 269,448.38

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Solution

The fourth proportional to 674,376.88, 1,010,907.85 and 269,448.38 is: 403,909.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,376.88 : 1,010,907.85 = 269,448.38 : x
  2. Step 2: Convert to fraction form
    674,376.88/1,010,907.85 = 269,448.38/x
  3. Step 3: Cross multiply
    674,376.88x = 1,010,907.85 × 269,448.38
  4. Step 4: Simplify right side
    674,376.88x = 272,387,482,511.78
  5. Step 5: Solve for x
    x = 272,387,482,511.78/674,376.88
  6. Step 6: Final answer
    x = 403,909.88

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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.