Home / 754,489.71-1,131,718.05-354,908.97

Finding the Fourth Proportional to 754,489.71, 1,131,718.05 and 354,908.97

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Solution

The fourth proportional to 754,489.71, 1,131,718.05 and 354,908.97 is: 532,355.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,489.71 : 1,131,718.05 = 354,908.97 : x
  2. Step 2: Convert to fraction form
    754,489.71/1,131,718.05 = 354,908.97/x
  3. Step 3: Cross multiply
    754,489.71x = 1,131,718.05 × 354,908.97
  4. Step 4: Simplify right side
    754,489.71x = 401,656,887,455.91
  5. Step 5: Solve for x
    x = 401,656,887,455.91/754,489.71
  6. Step 6: Final answer
    x = 532,355.69

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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.