Home / 997,842.31-1,377,020.05-545,136.55

Finding the Fourth Proportional to 997,842.31, 1,377,020.05 and 545,136.55

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Solution

The fourth proportional to 997,842.31, 1,377,020.05 and 545,136.55 is: 752,287.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,842.31 : 1,377,020.05 = 545,136.55 : x
  2. Step 2: Convert to fraction form
    997,842.31/1,377,020.05 = 545,136.55/x
  3. Step 3: Cross multiply
    997,842.31x = 1,377,020.05 × 545,136.55
  4. Step 4: Simplify right side
    997,842.31x = 750,663,959,337.83
  5. Step 5: Solve for x
    x = 750,663,959,337.83/997,842.31
  6. Step 6: Final answer
    x = 752,287.16

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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.