Home / 754,319.39-1,131,479.08-221,840.44

Finding the Fourth Proportional to 754,319.39, 1,131,479.08 and 221,840.44

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Solution

The fourth proportional to 754,319.39, 1,131,479.08 and 221,840.44 is: 332,760.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,319.39 : 1,131,479.08 = 221,840.44 : x
  2. Step 2: Convert to fraction form
    754,319.39/1,131,479.08 = 221,840.44/x
  3. Step 3: Cross multiply
    754,319.39x = 1,131,479.08 × 221,840.44
  4. Step 4: Simplify right side
    754,319.39x = 251,007,813,574.70
  5. Step 5: Solve for x
    x = 251,007,813,574.70/754,319.39
  6. Step 6: Final answer
    x = 332,760.66

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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.