Home / 808,385.72-1,212,244.96-275,949.68

Finding the Fourth Proportional to 808,385.72, 1,212,244.96 and 275,949.68

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Solution

The fourth proportional to 808,385.72, 1,212,244.96 and 275,949.68 is: 413,810.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,385.72 : 1,212,244.96 = 275,949.68 : x
  2. Step 2: Convert to fraction form
    808,385.72/1,212,244.96 = 275,949.68/x
  3. Step 3: Cross multiply
    808,385.72x = 1,212,244.96 × 275,949.68
  4. Step 4: Simplify right side
    808,385.72x = 334,518,608,793.61
  5. Step 5: Solve for x
    x = 334,518,608,793.61/808,385.72
  6. Step 6: Final answer
    x = 413,810.64

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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.