Home / 997,844.31-1,377,022.80-545,138.55

Finding the Fourth Proportional to 997,844.31, 1,377,022.80 and 545,138.55

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Solution

The fourth proportional to 997,844.31, 1,377,022.80 and 545,138.55 is: 752,289.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,844.31 : 1,377,022.80 = 545,138.55 : x
  2. Step 2: Convert to fraction form
    997,844.31/1,377,022.80 = 545,138.55/x
  3. Step 3: Cross multiply
    997,844.31x = 1,377,022.80 × 545,138.55
  4. Step 4: Simplify right side
    997,844.31x = 750,668,212,508.94
  5. Step 5: Solve for x
    x = 750,668,212,508.94/997,844.31
  6. Step 6: Final answer
    x = 752,289.92

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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.