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Finding the Fourth Proportional to 543,984.09, 750,465.17 and 339,680.31

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Solution

The fourth proportional to 543,984.09, 750,465.17 and 339,680.31 is: 468,613.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,984.09 : 750,465.17 = 339,680.31 : x
  2. Step 2: Convert to fraction form
    543,984.09/750,465.17 = 339,680.31/x
  3. Step 3: Cross multiply
    543,984.09x = 750,465.17 × 339,680.31
  4. Step 4: Simplify right side
    543,984.09x = 254,918,241,589.80
  5. Step 5: Solve for x
    x = 254,918,241,589.80/543,984.09
  6. Step 6: Final answer
    x = 468,613.41

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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.