Home / 519,529.68-779,286-164,543.04

Finding the Fourth Proportional to 519,529.68, 779,286 and 164,543.04

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Solution

The fourth proportional to 519,529.68, 779,286 and 164,543.04 is: 246,811.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,529.68 : 779,286 = 164,543.04 : x
  2. Step 2: Convert to fraction form
    519,529.68/779,286 = 164,543.04/x
  3. Step 3: Cross multiply
    519,529.68x = 779,286 × 164,543.04
  4. Step 4: Simplify right side
    519,529.68x = 128,226,087,469.44
  5. Step 5: Solve for x
    x = 128,226,087,469.44/519,529.68
  6. Step 6: Final answer
    x = 246,811.86

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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.