Home / 843,061.44-1,264,592.16-344,425.44

Finding the Fourth Proportional to 843,061.44, 1,264,592.16 and 344,425.44

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Solution

The fourth proportional to 843,061.44, 1,264,592.16 and 344,425.44 is: 516,638.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,061.44 : 1,264,592.16 = 344,425.44 : x
  2. Step 2: Convert to fraction form
    843,061.44/1,264,592.16 = 344,425.44/x
  3. Step 3: Cross multiply
    843,061.44x = 1,264,592.16 × 344,425.44
  4. Step 4: Simplify right side
    843,061.44x = 435,557,711,128.55
  5. Step 5: Solve for x
    x = 435,557,711,128.55/843,061.44
  6. Step 6: Final answer
    x = 516,638.16

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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.