Home / 754,427.46-1,131,772.23-305,130.18

Finding the Fourth Proportional to 754,427.46, 1,131,772.23 and 305,130.18

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Solution

The fourth proportional to 754,427.46, 1,131,772.23 and 305,130.18 is: 457,748.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,427.46 : 1,131,772.23 = 305,130.18 : x
  2. Step 2: Convert to fraction form
    754,427.46/1,131,772.23 = 305,130.18/x
  3. Step 3: Cross multiply
    754,427.46x = 1,131,772.23 × 305,130.18
  4. Step 4: Simplify right side
    754,427.46x = 345,337,864,258.90
  5. Step 5: Solve for x
    x = 345,337,864,258.90/754,427.46
  6. Step 6: Final answer
    x = 457,748.27

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Double scale
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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.