Home / 725,418.54-1,086,074.72-554,444.34

Finding the Fourth Proportional to 725,418.54, 1,086,074.72 and 554,444.34

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Solution

The fourth proportional to 725,418.54, 1,086,074.72 and 554,444.34 is: 830,097.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,418.54 : 1,086,074.72 = 554,444.34 : x
  2. Step 2: Convert to fraction form
    725,418.54/1,086,074.72 = 554,444.34/x
  3. Step 3: Cross multiply
    725,418.54x = 1,086,074.72 × 554,444.34
  4. Step 4: Simplify right side
    725,418.54x = 602,167,981,321.09
  5. Step 5: Solve for x
    x = 602,167,981,321.09/725,418.54
  6. Step 6: Final answer
    x = 830,097.31

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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.