Home / 502,619.56-693,624.90-276,286.12

Finding the Fourth Proportional to 502,619.56, 693,624.90 and 276,286.12

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Solution

The fourth proportional to 502,619.56, 693,624.90 and 276,286.12 is: 381,280.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,619.56 : 693,624.90 = 276,286.12 : x
  2. Step 2: Convert to fraction form
    502,619.56/693,624.90 = 276,286.12/x
  3. Step 3: Cross multiply
    502,619.56x = 693,624.90 × 276,286.12
  4. Step 4: Simplify right side
    502,619.56x = 191,638,932,356.39
  5. Step 5: Solve for x
    x = 191,638,932,356.39/502,619.56
  6. Step 6: Final answer
    x = 381,280.29

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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.