Home / 781,296.88-1,172,062.32-282,777.52

Finding the Fourth Proportional to 781,296.88, 1,172,062.32 and 282,777.52

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Solution

The fourth proportional to 781,296.88, 1,172,062.32 and 282,777.52 is: 424,208.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,296.88 : 1,172,062.32 = 282,777.52 : x
  2. Step 2: Convert to fraction form
    781,296.88/1,172,062.32 = 282,777.52/x
  3. Step 3: Cross multiply
    781,296.88x = 1,172,062.32 × 282,777.52
  4. Step 4: Simplify right side
    781,296.88x = 331,432,876,135.05
  5. Step 5: Solve for x
    x = 331,432,876,135.05/781,296.88
  6. Step 6: Final answer
    x = 424,208.63

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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.