Home / 666,794.25-1,000,279.26-217,357.65

Finding the Fourth Proportional to 666,794.25, 1,000,279.26 and 217,357.65

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Solution

The fourth proportional to 666,794.25, 1,000,279.26 and 217,357.65 is: 326,065.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,794.25 : 1,000,279.26 = 217,357.65 : x
  2. Step 2: Convert to fraction form
    666,794.25/1,000,279.26 = 217,357.65/x
  3. Step 3: Cross multiply
    666,794.25x = 1,000,279.26 × 217,357.65
  4. Step 4: Simplify right side
    666,794.25x = 217,418,349,297.34
  5. Step 5: Solve for x
    x = 217,418,349,297.34/666,794.25
  6. Step 6: Final answer
    x = 326,065.12

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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.