Home / 720,777.60-1,081,704.96-271,941.12

Finding the Fourth Proportional to 720,777.60, 1,081,704.96 and 271,941.12

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Solution

The fourth proportional to 720,777.60, 1,081,704.96 and 271,941.12 is: 408,114.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,777.60 : 1,081,704.96 = 271,941.12 : x
  2. Step 2: Convert to fraction form
    720,777.60/1,081,704.96 = 271,941.12/x
  3. Step 3: Cross multiply
    720,777.60x = 1,081,704.96 × 271,941.12
  4. Step 4: Simplify right side
    720,777.60x = 294,160,058,331.96
  5. Step 5: Solve for x
    x = 294,160,058,331.96/720,777.60
  6. Step 6: Final answer
    x = 408,114.87

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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.