Home / 791,891.29-1,183,487.16-579,105.91

Finding the Fourth Proportional to 791,891.29, 1,183,487.16 and 579,105.91

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Solution

The fourth proportional to 791,891.29, 1,183,487.16 and 579,105.91 is: 865,477.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,891.29 : 1,183,487.16 = 579,105.91 : x
  2. Step 2: Convert to fraction form
    791,891.29/1,183,487.16 = 579,105.91/x
  3. Step 3: Cross multiply
    791,891.29x = 1,183,487.16 × 579,105.91
  4. Step 4: Simplify right side
    791,891.29x = 685,364,408,765.12
  5. Step 5: Solve for x
    x = 685,364,408,765.12/791,891.29
  6. Step 6: Final answer
    x = 865,477.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.