Home / 865,629.43-1,298,466.31-410,114.03

Finding the Fourth Proportional to 865,629.43, 1,298,466.31 and 410,114.03

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Solution

The fourth proportional to 865,629.43, 1,298,466.31 and 410,114.03 is: 615,181.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,629.43 : 1,298,466.31 = 410,114.03 : x
  2. Step 2: Convert to fraction form
    865,629.43/1,298,466.31 = 410,114.03/x
  3. Step 3: Cross multiply
    865,629.43x = 1,298,466.31 × 410,114.03
  4. Step 4: Simplify right side
    865,629.43x = 532,519,251,213.33
  5. Step 5: Solve for x
    x = 532,519,251,213.33/865,629.43
  6. Step 6: Final answer
    x = 615,181.55

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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.