Home / 754,765.29-1,132,147.73-517,388.31

Finding the Fourth Proportional to 754,765.29, 1,132,147.73 and 517,388.31

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Solution

The fourth proportional to 754,765.29, 1,132,147.73 and 517,388.31 is: 776,082.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,765.29 : 1,132,147.73 = 517,388.31 : x
  2. Step 2: Convert to fraction form
    754,765.29/1,132,147.73 = 517,388.31/x
  3. Step 3: Cross multiply
    754,765.29x = 1,132,147.73 × 517,388.31
  4. Step 4: Simplify right side
    754,765.29x = 585,760,001,988.51
  5. Step 5: Solve for x
    x = 585,760,001,988.51/754,765.29
  6. Step 6: Final answer
    x = 776,082.33

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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.