Home / 754,230.65-1,131,346.08-221,756.30

Finding the Fourth Proportional to 754,230.65, 1,131,346.08 and 221,756.30

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Solution

The fourth proportional to 754,230.65, 1,131,346.08 and 221,756.30 is: 332,634.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,230.65 : 1,131,346.08 = 221,756.30 : x
  2. Step 2: Convert to fraction form
    754,230.65/1,131,346.08 = 221,756.30/x
  3. Step 3: Cross multiply
    754,230.65x = 1,131,346.08 × 221,756.30
  4. Step 4: Simplify right side
    754,230.65x = 250,883,115,063.57
  5. Step 5: Solve for x
    x = 250,883,115,063.57/754,230.65
  6. Step 6: Final answer
    x = 332,634.48

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Double scale
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Similar ratio
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1.5x scale

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.