Home / 502,921.43-694,010.46-285,144.76

Finding the Fourth Proportional to 502,921.43, 694,010.46 and 285,144.76

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Solution

The fourth proportional to 502,921.43, 694,010.46 and 285,144.76 is: 393,487.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,921.43 : 694,010.46 = 285,144.76 : x
  2. Step 2: Convert to fraction form
    502,921.43/694,010.46 = 285,144.76/x
  3. Step 3: Cross multiply
    502,921.43x = 694,010.46 × 285,144.76
  4. Step 4: Simplify right side
    502,921.43x = 197,893,441,681.28
  5. Step 5: Solve for x
    x = 197,893,441,681.28/502,921.43
  6. Step 6: Final answer
    x = 393,487.79

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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.