Home / 502,453.20-693,377.52-276,093.84

Finding the Fourth Proportional to 502,453.20, 693,377.52 and 276,093.84

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Solution

The fourth proportional to 502,453.20, 693,377.52 and 276,093.84 is: 381,005.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,453.20 : 693,377.52 = 276,093.84 : x
  2. Step 2: Convert to fraction form
    502,453.20/693,377.52 = 276,093.84/x
  3. Step 3: Cross multiply
    502,453.20x = 693,377.52 × 276,093.84
  4. Step 4: Simplify right side
    502,453.20x = 191,437,262,066.48
  5. Step 5: Solve for x
    x = 191,437,262,066.48/502,453.20
  6. Step 6: Final answer
    x = 381,005.16

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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.