Home / 502,381.56-693,299.31-272,936.55

Finding the Fourth Proportional to 502,381.56, 693,299.31 and 272,936.55

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Solution

The fourth proportional to 502,381.56, 693,299.31 and 272,936.55 is: 376,659.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,381.56 : 693,299.31 = 272,936.55 : x
  2. Step 2: Convert to fraction form
    502,381.56/693,299.31 = 272,936.55/x
  3. Step 3: Cross multiply
    502,381.56x = 693,299.31 × 272,936.55
  4. Step 4: Simplify right side
    502,381.56x = 189,226,721,788.78
  5. Step 5: Solve for x
    x = 189,226,721,788.78/502,381.56
  6. Step 6: Final answer
    x = 376,659.37

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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.