Home / 785,350.29-1,083,754.56-479,937.78

Finding the Fourth Proportional to 785,350.29, 1,083,754.56 and 479,937.78

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Solution

The fourth proportional to 785,350.29, 1,083,754.56 and 479,937.78 is: 662,296.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,350.29 : 1,083,754.56 = 479,937.78 : x
  2. Step 2: Convert to fraction form
    785,350.29/1,083,754.56 = 479,937.78/x
  3. Step 3: Cross multiply
    785,350.29x = 1,083,754.56 × 479,937.78
  4. Step 4: Simplify right side
    785,350.29x = 520,134,757,591.28
  5. Step 5: Solve for x
    x = 520,134,757,591.28/785,350.29
  6. Step 6: Final answer
    x = 662,296.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.