Home / 502,932.61-694,065.26-288,114.20

Finding the Fourth Proportional to 502,932.61, 694,065.26 and 288,114.20

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Solution

The fourth proportional to 502,932.61, 694,065.26 and 288,114.20 is: 397,608.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,932.61 : 694,065.26 = 288,114.20 : x
  2. Step 2: Convert to fraction form
    502,932.61/694,065.26 = 288,114.20/x
  3. Step 3: Cross multiply
    502,932.61x = 694,065.26 × 288,114.20
  4. Step 4: Simplify right side
    502,932.61x = 199,970,053,302.22
  5. Step 5: Solve for x
    x = 199,970,053,302.22/502,932.61
  6. Step 6: Final answer
    x = 397,608.05

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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.