Home / 725,333.66-1,088,185.04-426,067.34

Finding the Fourth Proportional to 725,333.66, 1,088,185.04 and 426,067.34

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Solution

The fourth proportional to 725,333.66, 1,088,185.04 and 426,067.34 is: 639,209.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,333.66 : 1,088,185.04 = 426,067.34 : x
  2. Step 2: Convert to fraction form
    725,333.66/1,088,185.04 = 426,067.34/x
  3. Step 3: Cross multiply
    725,333.66x = 1,088,185.04 × 426,067.34
  4. Step 4: Simplify right side
    725,333.66x = 463,640,101,044.84
  5. Step 5: Solve for x
    x = 463,640,101,044.84/725,333.66
  6. Step 6: Final answer
    x = 639,209.41

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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.