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Finding the Fourth Proportional to 550,060.80, 825,091.20 and 439,468.80

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Solution

The fourth proportional to 550,060.80, 825,091.20 and 439,468.80 is: 659,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,060.80 : 825,091.20 = 439,468.80 : x
  2. Step 2: Convert to fraction form
    550,060.80/825,091.20 = 439,468.80/x
  3. Step 3: Cross multiply
    550,060.80x = 825,091.20 × 439,468.80
  4. Step 4: Simplify right side
    550,060.80x = 362,601,839,554.56
  5. Step 5: Solve for x
    x = 362,601,839,554.56/550,060.80
  6. Step 6: Final answer
    x = 659,203.20

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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.