Home / 753,940.90-1,040,680.92-482,739.22

Finding the Fourth Proportional to 753,940.90, 1,040,680.92 and 482,739.22

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Solution

The fourth proportional to 753,940.90, 1,040,680.92 and 482,739.22 is: 666,335.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,940.90 : 1,040,680.92 = 482,739.22 : x
  2. Step 2: Convert to fraction form
    753,940.90/1,040,680.92 = 482,739.22/x
  3. Step 3: Cross multiply
    753,940.90x = 1,040,680.92 × 482,739.22
  4. Step 4: Simplify right side
    753,940.90x = 502,377,495,589.68
  5. Step 5: Solve for x
    x = 502,377,495,589.68/753,940.90
  6. Step 6: Final answer
    x = 666,335.38

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1.5x scale

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.