Home / 861,708.93-1,293,154.02-300,743.43

Finding the Fourth Proportional to 861,708.93, 1,293,154.02 and 300,743.43

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Solution

The fourth proportional to 861,708.93, 1,293,154.02 and 300,743.43 is: 451,321.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,708.93 : 1,293,154.02 = 300,743.43 : x
  2. Step 2: Convert to fraction form
    861,708.93/1,293,154.02 = 300,743.43/x
  3. Step 3: Cross multiply
    861,708.93x = 1,293,154.02 × 300,743.43
  4. Step 4: Simplify right side
    861,708.93x = 388,907,575,493.09
  5. Step 5: Solve for x
    x = 388,907,575,493.09/861,708.93
  6. Step 6: Final answer
    x = 451,321.28

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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.