Home / 413,260.60-619,234.80-272,855.20

Finding the Fourth Proportional to 413,260.60, 619,234.80 and 272,855.20

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Solution

The fourth proportional to 413,260.60, 619,234.80 and 272,855.20 is: 408,849.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,260.60 : 619,234.80 = 272,855.20 : x
  2. Step 2: Convert to fraction form
    413,260.60/619,234.80 = 272,855.20/x
  3. Step 3: Cross multiply
    413,260.60x = 619,234.80 × 272,855.20
  4. Step 4: Simplify right side
    413,260.60x = 168,961,435,200.96
  5. Step 5: Solve for x
    x = 168,961,435,200.96/413,260.60
  6. Step 6: Final answer
    x = 408,849.61

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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.