Home / 725,193.28-1,087,482.37-345,674.98

Finding the Fourth Proportional to 725,193.28, 1,087,482.37 and 345,674.98

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Solution

The fourth proportional to 725,193.28, 1,087,482.37 and 345,674.98 is: 518,365.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,193.28 : 1,087,482.37 = 345,674.98 : x
  2. Step 2: Convert to fraction form
    725,193.28/1,087,482.37 = 345,674.98/x
  3. Step 3: Cross multiply
    725,193.28x = 1,087,482.37 × 345,674.98
  4. Step 4: Simplify right side
    725,193.28x = 375,915,446,500.10
  5. Step 5: Solve for x
    x = 375,915,446,500.10/725,193.28
  6. Step 6: Final answer
    x = 518,365.87

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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.