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Finding the Fourth Proportional to 576,016.80, 864,025.20 and 518,936.10

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Solution

The fourth proportional to 576,016.80, 864,025.20 and 518,936.10 is: 778,404.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,016.80 : 864,025.20 = 518,936.10 : x
  2. Step 2: Convert to fraction form
    576,016.80/864,025.20 = 518,936.10/x
  3. Step 3: Cross multiply
    576,016.80x = 864,025.20 × 518,936.10
  4. Step 4: Simplify right side
    576,016.80x = 448,373,867,589.72
  5. Step 5: Solve for x
    x = 448,373,867,589.72/576,016.80
  6. Step 6: Final answer
    x = 778,404.15

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Similar ratio
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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.