Home / 725,928.88-1,088,893.32-299,458.48

Finding the Fourth Proportional to 725,928.88, 1,088,893.32 and 299,458.48

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Solution

The fourth proportional to 725,928.88, 1,088,893.32 and 299,458.48 is: 449,187.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,928.88 : 1,088,893.32 = 299,458.48 : x
  2. Step 2: Convert to fraction form
    725,928.88/1,088,893.32 = 299,458.48/x
  3. Step 3: Cross multiply
    725,928.88x = 1,088,893.32 × 299,458.48
  4. Step 4: Simplify right side
    725,928.88x = 326,078,338,489.35
  5. Step 5: Solve for x
    x = 326,078,338,489.35/725,928.88
  6. Step 6: Final answer
    x = 449,187.72

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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.