Home / 502,742.10-693,788.60-273,299.82

Finding the Fourth Proportional to 502,742.10, 693,788.60 and 273,299.82

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Solution

The fourth proportional to 502,742.10, 693,788.60 and 273,299.82 is: 377,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,742.10 : 693,788.60 = 273,299.82 : x
  2. Step 2: Convert to fraction form
    502,742.10/693,788.60 = 273,299.82/x
  3. Step 3: Cross multiply
    502,742.10x = 693,788.60 × 273,299.82
  4. Step 4: Simplify right side
    502,742.10x = 189,612,300,181.30
  5. Step 5: Solve for x
    x = 189,612,300,181.30/502,742.10
  6. Step 6: Final answer
    x = 377,156.20

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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.