Home / 875,387.82-1,313,196.57-342,839.66

Finding the Fourth Proportional to 875,387.82, 1,313,196.57 and 342,839.66

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Solution

The fourth proportional to 875,387.82, 1,313,196.57 and 342,839.66 is: 514,304.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,387.82 : 1,313,196.57 = 342,839.66 : x
  2. Step 2: Convert to fraction form
    875,387.82/1,313,196.57 = 342,839.66/x
  3. Step 3: Cross multiply
    875,387.82x = 1,313,196.57 × 342,839.66
  4. Step 4: Simplify right side
    875,387.82x = 450,215,859,005.98
  5. Step 5: Solve for x
    x = 450,215,859,005.98/875,387.82
  6. Step 6: Final answer
    x = 514,304.46

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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.