Home / 808,383.85-1,212,242.15-275,947.76

Finding the Fourth Proportional to 808,383.85, 1,212,242.15 and 275,947.76

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Solution

The fourth proportional to 808,383.85, 1,212,242.15 and 275,947.76 is: 413,807.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,383.85 : 1,212,242.15 = 275,947.76 : x
  2. Step 2: Convert to fraction form
    808,383.85/1,212,242.15 = 275,947.76/x
  3. Step 3: Cross multiply
    808,383.85x = 1,212,242.15 × 275,947.76
  4. Step 4: Simplify right side
    808,383.85x = 334,515,509,590.56
  5. Step 5: Solve for x
    x = 334,515,509,590.56/808,383.85
  6. Step 6: Final answer
    x = 413,807.76

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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.