Home / 754,532.65-1,131,799.72-305,257.34

Finding the Fourth Proportional to 754,532.65, 1,131,799.72 and 305,257.34

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Solution

The fourth proportional to 754,532.65, 1,131,799.72 and 305,257.34 is: 457,886.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,532.65 : 1,131,799.72 = 305,257.34 : x
  2. Step 2: Convert to fraction form
    754,532.65/1,131,799.72 = 305,257.34/x
  3. Step 3: Cross multiply
    754,532.65x = 1,131,799.72 × 305,257.34
  4. Step 4: Simplify right side
    754,532.65x = 345,490,174,578.66
  5. Step 5: Solve for x
    x = 345,490,174,578.66/754,532.65
  6. Step 6: Final answer
    x = 457,886.31

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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.