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Finding the Fourth Proportional to 548,827.20, 823,240.80 and 360,477.90

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Solution

The fourth proportional to 548,827.20, 823,240.80 and 360,477.90 is: 540,716.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,827.20 : 823,240.80 = 360,477.90 : x
  2. Step 2: Convert to fraction form
    548,827.20/823,240.80 = 360,477.90/x
  3. Step 3: Cross multiply
    548,827.20x = 823,240.80 × 360,477.90
  4. Step 4: Simplify right side
    548,827.20x = 296,760,114,778.32
  5. Step 5: Solve for x
    x = 296,760,114,778.32/548,827.20
  6. Step 6: Final answer
    x = 540,716.85

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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.