Home / 754,663.36-1,131,995-517,286.38

Finding the Fourth Proportional to 754,663.36, 1,131,995 and 517,286.38

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Solution

The fourth proportional to 754,663.36, 1,131,995 and 517,286.38 is: 775,929.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,663.36 : 1,131,995 = 517,286.38 : x
  2. Step 2: Convert to fraction form
    754,663.36/1,131,995 = 517,286.38/x
  3. Step 3: Cross multiply
    754,663.36x = 1,131,995 × 517,286.38
  4. Step 4: Simplify right side
    754,663.36x = 585,565,595,728.10
  5. Step 5: Solve for x
    x = 585,565,595,728.10/754,663.36
  6. Step 6: Final answer
    x = 775,929.54

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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.