Home / 667,799.34-1,002,027.86-312,752.04

Finding the Fourth Proportional to 667,799.34, 1,002,027.86 and 312,752.04

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Solution

The fourth proportional to 667,799.34, 1,002,027.86 and 312,752.04 is: 469,282.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,799.34 : 1,002,027.86 = 312,752.04 : x
  2. Step 2: Convert to fraction form
    667,799.34/1,002,027.86 = 312,752.04/x
  3. Step 3: Cross multiply
    667,799.34x = 1,002,027.86 × 312,752.04
  4. Step 4: Simplify right side
    667,799.34x = 313,386,257,351.83
  5. Step 5: Solve for x
    x = 313,386,257,351.83/667,799.34
  6. Step 6: Final answer
    x = 469,282.07

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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.