Home / 762,696.90-1,144,758.87-403,134.62

Finding the Fourth Proportional to 762,696.90, 1,144,758.87 and 403,134.62

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Solution

The fourth proportional to 762,696.90, 1,144,758.87 and 403,134.62 is: 605,079.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,696.90 : 1,144,758.87 = 403,134.62 : x
  2. Step 2: Convert to fraction form
    762,696.90/1,144,758.87 = 403,134.62/x
  3. Step 3: Cross multiply
    762,696.90x = 1,144,758.87 × 403,134.62
  4. Step 4: Simplify right side
    762,696.90x = 461,491,932,049.08
  5. Step 5: Solve for x
    x = 461,491,932,049.08/762,696.90
  6. Step 6: Final answer
    x = 605,079.07

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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.