Home / 779,187.68-1,167,895.64-329,627.96

Finding the Fourth Proportional to 779,187.68, 1,167,895.64 and 329,627.96

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Solution

The fourth proportional to 779,187.68, 1,167,895.64 and 329,627.96 is: 494,067.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,187.68 : 1,167,895.64 = 329,627.96 : x
  2. Step 2: Convert to fraction form
    779,187.68/1,167,895.64 = 329,627.96/x
  3. Step 3: Cross multiply
    779,187.68x = 1,167,895.64 × 329,627.96
  4. Step 4: Simplify right side
    779,187.68x = 384,971,057,306.09
  5. Step 5: Solve for x
    x = 384,971,057,306.09/779,187.68
  6. Step 6: Final answer
    x = 494,067.18

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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.