Home / 725,815.86-1,088,902.40-252,505.32

Finding the Fourth Proportional to 725,815.86, 1,088,902.40 and 252,505.32

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Solution

The fourth proportional to 725,815.86, 1,088,902.40 and 252,505.32 is: 378,820.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,815.86 : 1,088,902.40 = 252,505.32 : x
  2. Step 2: Convert to fraction form
    725,815.86/1,088,902.40 = 252,505.32/x
  3. Step 3: Cross multiply
    725,815.86x = 1,088,902.40 × 252,505.32
  4. Step 4: Simplify right side
    725,815.86x = 274,953,647,698.24
  5. Step 5: Solve for x
    x = 274,953,647,698.24/725,815.86
  6. Step 6: Final answer
    x = 378,820.12

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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.