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Finding the Fourth Proportional to 519,349.08, 779,364 and 182,380.92

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Solution

The fourth proportional to 519,349.08, 779,364 and 182,380.92 is: 273,690.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,349.08 : 779,364 = 182,380.92 : x
  2. Step 2: Convert to fraction form
    519,349.08/779,364 = 182,380.92/x
  3. Step 3: Cross multiply
    519,349.08x = 779,364 × 182,380.92
  4. Step 4: Simplify right side
    519,349.08x = 142,141,123,334.88
  5. Step 5: Solve for x
    x = 142,141,123,334.88/519,349.08
  6. Step 6: Final answer
    x = 273,690.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.