Home / 754,665.36-1,131,998.01-517,288.38

Finding the Fourth Proportional to 754,665.36, 1,131,998.01 and 517,288.38

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Solution

The fourth proportional to 754,665.36, 1,131,998.01 and 517,288.38 is: 775,932.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,665.36 : 1,131,998.01 = 517,288.38 : x
  2. Step 2: Convert to fraction form
    754,665.36/1,131,998.01 = 517,288.38/x
  3. Step 3: Cross multiply
    754,665.36x = 1,131,998.01 × 517,288.38
  4. Step 4: Simplify right side
    754,665.36x = 585,569,416,756.12
  5. Step 5: Solve for x
    x = 585,569,416,756.12/754,665.36
  6. Step 6: Final answer
    x = 775,932.55

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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.