Home / 725,533.20-1,087,781.40-325,846.80

Finding the Fourth Proportional to 725,533.20, 1,087,781.40 and 325,846.80

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Solution

The fourth proportional to 725,533.20, 1,087,781.40 and 325,846.80 is: 488,537.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,533.20 : 1,087,781.40 = 325,846.80 : x
  2. Step 2: Convert to fraction form
    725,533.20/1,087,781.40 = 325,846.80/x
  3. Step 3: Cross multiply
    725,533.20x = 1,087,781.40 × 325,846.80
  4. Step 4: Simplify right side
    725,533.20x = 354,450,088,289.52
  5. Step 5: Solve for x
    x = 354,450,088,289.52/725,533.20
  6. Step 6: Final answer
    x = 488,537.38

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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.