Home / 959,780.25-1,324,496.75-557,398.17

Finding the Fourth Proportional to 959,780.25, 1,324,496.75 and 557,398.17

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Solution

The fourth proportional to 959,780.25, 1,324,496.75 and 557,398.17 is: 769,209.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,780.25 : 1,324,496.75 = 557,398.17 : x
  2. Step 2: Convert to fraction form
    959,780.25/1,324,496.75 = 557,398.17/x
  3. Step 3: Cross multiply
    959,780.25x = 1,324,496.75 × 557,398.17
  4. Step 4: Simplify right side
    959,780.25x = 738,272,061,833.96
  5. Step 5: Solve for x
    x = 738,272,061,833.96/959,780.25
  6. Step 6: Final answer
    x = 769,209.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.