Home / 725,610.40-1,088,415.60-252,138.40

Finding the Fourth Proportional to 725,610.40, 1,088,415.60 and 252,138.40

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Solution

The fourth proportional to 725,610.40, 1,088,415.60 and 252,138.40 is: 378,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,610.40 : 1,088,415.60 = 252,138.40 : x
  2. Step 2: Convert to fraction form
    725,610.40/1,088,415.60 = 252,138.40/x
  3. Step 3: Cross multiply
    725,610.40x = 1,088,415.60 × 252,138.40
  4. Step 4: Simplify right side
    725,610.40x = 274,431,367,919.04
  5. Step 5: Solve for x
    x = 274,431,367,919.04/725,610.40
  6. Step 6: Final answer
    x = 378,207.60

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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.