Home / 666,422.08-999,190.23-367,043.65

Finding the Fourth Proportional to 666,422.08, 999,190.23 and 367,043.65

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Solution

The fourth proportional to 666,422.08, 999,190.23 and 367,043.65 is: 550,321.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,422.08 : 999,190.23 = 367,043.65 : x
  2. Step 2: Convert to fraction form
    666,422.08/999,190.23 = 367,043.65/x
  3. Step 3: Cross multiply
    666,422.08x = 999,190.23 × 367,043.65
  4. Step 4: Simplify right side
    666,422.08x = 366,746,429,063.54
  5. Step 5: Solve for x
    x = 366,746,429,063.54/666,422.08
  6. Step 6: Final answer
    x = 550,321.55

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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.