Home / 725,538-1,088,331.36-326,180.04

Finding the Fourth Proportional to 725,538, 1,088,331.36 and 326,180.04

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Solution

The fourth proportional to 725,538, 1,088,331.36 and 326,180.04 is: 489,281.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,538 : 1,088,331.36 = 326,180.04 : x
  2. Step 2: Convert to fraction form
    725,538/1,088,331.36 = 326,180.04/x
  3. Step 3: Cross multiply
    725,538x = 1,088,331.36 × 326,180.04
  4. Step 4: Simplify right side
    725,538x = 354,991,966,538.05
  5. Step 5: Solve for x
    x = 354,991,966,538.05/725,538
  6. Step 6: Final answer
    x = 489,281.01

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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.