Home / 997,677.34-1,376,794.68-538,791.87

Finding the Fourth Proportional to 997,677.34, 1,376,794.68 and 538,791.87

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Solution

The fourth proportional to 997,677.34, 1,376,794.68 and 538,791.87 is: 743,532.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,677.34 : 1,376,794.68 = 538,791.87 : x
  2. Step 2: Convert to fraction form
    997,677.34/1,376,794.68 = 538,791.87/x
  3. Step 3: Cross multiply
    997,677.34x = 1,376,794.68 × 538,791.87
  4. Step 4: Simplify right side
    997,677.34x = 741,805,780,243.25
  5. Step 5: Solve for x
    x = 741,805,780,243.25/997,677.34
  6. Step 6: Final answer
    x = 743,532.75

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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.