Home / 725,253.85-1,087,505.34-325,550.44

Finding the Fourth Proportional to 725,253.85, 1,087,505.34 and 325,550.44

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Solution

The fourth proportional to 725,253.85, 1,087,505.34 and 325,550.44 is: 488,157.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,253.85 : 1,087,505.34 = 325,550.44 : x
  2. Step 2: Convert to fraction form
    725,253.85/1,087,505.34 = 325,550.44/x
  3. Step 3: Cross multiply
    725,253.85x = 1,087,505.34 × 325,550.44
  4. Step 4: Simplify right side
    725,253.85x = 354,037,843,909.14
  5. Step 5: Solve for x
    x = 354,037,843,909.14/725,253.85
  6. Step 6: Final answer
    x = 488,157.14

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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.