Home / 718,960-1,078,465.92-269,635.20

Finding the Fourth Proportional to 718,960, 1,078,465.92 and 269,635.20

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Solution

The fourth proportional to 718,960, 1,078,465.92 and 269,635.20 is: 404,462.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,960 : 1,078,465.92 = 269,635.20 : x
  2. Step 2: Convert to fraction form
    718,960/1,078,465.92 = 269,635.20/x
  3. Step 3: Cross multiply
    718,960x = 1,078,465.92 × 269,635.20
  4. Step 4: Simplify right side
    718,960x = 290,792,374,032.38
  5. Step 5: Solve for x
    x = 290,792,374,032.38/718,960
  6. Step 6: Final answer
    x = 404,462.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.