Home / 718,846.08-1,078,269.12-220,145.28

Finding the Fourth Proportional to 718,846.08, 1,078,269.12 and 220,145.28

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Solution

The fourth proportional to 718,846.08, 1,078,269.12 and 220,145.28 is: 330,217.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,846.08 : 1,078,269.12 = 220,145.28 : x
  2. Step 2: Convert to fraction form
    718,846.08/1,078,269.12 = 220,145.28/x
  3. Step 3: Cross multiply
    718,846.08x = 1,078,269.12 × 220,145.28
  4. Step 4: Simplify right side
    718,846.08x = 237,375,857,337.75
  5. Step 5: Solve for x
    x = 237,375,857,337.75/718,846.08
  6. Step 6: Final answer
    x = 330,217.92

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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.