Home / 480,540.20-720,875.10-165,093.80

Finding the Fourth Proportional to 480,540.20, 720,875.10 and 165,093.80

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Solution

The fourth proportional to 480,540.20, 720,875.10 and 165,093.80 is: 247,662.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,540.20 : 720,875.10 = 165,093.80 : x
  2. Step 2: Convert to fraction form
    480,540.20/720,875.10 = 165,093.80/x
  3. Step 3: Cross multiply
    480,540.20x = 720,875.10 × 165,093.80
  4. Step 4: Simplify right side
    480,540.20x = 119,012,009,584.38
  5. Step 5: Solve for x
    x = 119,012,009,584.38/480,540.20
  6. Step 6: Final answer
    x = 247,662.96

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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.