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Finding the Fourth Proportional to 540,785.92, 810,536 and 252,209.92

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Solution

The fourth proportional to 540,785.92, 810,536 and 252,209.92 is: 378,015.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,785.92 : 810,536 = 252,209.92 : x
  2. Step 2: Convert to fraction form
    540,785.92/810,536 = 252,209.92/x
  3. Step 3: Cross multiply
    540,785.92x = 810,536 × 252,209.92
  4. Step 4: Simplify right side
    540,785.92x = 204,425,219,717.12
  5. Step 5: Solve for x
    x = 204,425,219,717.12/540,785.92
  6. Step 6: Final answer
    x = 378,015.06

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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.