Home / 778,400.56-1,167,650.05-329,062.27

Finding the Fourth Proportional to 778,400.56, 1,167,650.05 and 329,062.27

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Solution

The fourth proportional to 778,400.56, 1,167,650.05 and 329,062.27 is: 493,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,400.56 : 1,167,650.05 = 329,062.27 : x
  2. Step 2: Convert to fraction form
    778,400.56/1,167,650.05 = 329,062.27/x
  3. Step 3: Cross multiply
    778,400.56x = 1,167,650.05 × 329,062.27
  4. Step 4: Simplify right side
    778,400.56x = 384,229,576,018.61
  5. Step 5: Solve for x
    x = 384,229,576,018.61/778,400.56
  6. Step 6: Final answer
    x = 493,614.21

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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.