Home / 715,327.29-1,073,157.03-209,867.85

Finding the Fourth Proportional to 715,327.29, 1,073,157.03 and 209,867.85

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Solution

The fourth proportional to 715,327.29, 1,073,157.03 and 209,867.85 is: 314,850.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,327.29 : 1,073,157.03 = 209,867.85 : x
  2. Step 2: Convert to fraction form
    715,327.29/1,073,157.03 = 209,867.85/x
  3. Step 3: Cross multiply
    715,327.29x = 1,073,157.03 × 209,867.85
  4. Step 4: Simplify right side
    715,327.29x = 225,221,158,598.49
  5. Step 5: Solve for x
    x = 225,221,158,598.49/715,327.29
  6. Step 6: Final answer
    x = 314,850.51

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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.