Home / 715,331.30-1,073,163.04-209,871.86

Finding the Fourth Proportional to 715,331.30, 1,073,163.04 and 209,871.86

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Solution

The fourth proportional to 715,331.30, 1,073,163.04 and 209,871.86 is: 314,856.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,331.30 : 1,073,163.04 = 209,871.86 : x
  2. Step 2: Convert to fraction form
    715,331.30/1,073,163.04 = 209,871.86/x
  3. Step 3: Cross multiply
    715,331.30x = 1,073,163.04 × 209,871.86
  4. Step 4: Simplify right side
    715,331.30x = 225,226,723,288.05
  5. Step 5: Solve for x
    x = 225,226,723,288.05/715,331.30
  6. Step 6: Final answer
    x = 314,856.52

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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.