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Finding the Fourth Proportional to 550,230.80, 825,346.20 and 480,246.80

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Solution

The fourth proportional to 550,230.80, 825,346.20 and 480,246.80 is: 720,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,230.80 : 825,346.20 = 480,246.80 : x
  2. Step 2: Convert to fraction form
    550,230.80/825,346.20 = 480,246.80/x
  3. Step 3: Cross multiply
    550,230.80x = 825,346.20 × 480,246.80
  4. Step 4: Simplify right side
    550,230.80x = 396,369,871,442.16
  5. Step 5: Solve for x
    x = 396,369,871,442.16/550,230.80
  6. Step 6: Final answer
    x = 720,370.20

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Similar ratio
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1.5x scale

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.