Home / 720,977.22-1,082,115.86-384,298.29

Finding the Fourth Proportional to 720,977.22, 1,082,115.86 and 384,298.29

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Solution

The fourth proportional to 720,977.22, 1,082,115.86 and 384,298.29 is: 576,793.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,977.22 : 1,082,115.86 = 384,298.29 : x
  2. Step 2: Convert to fraction form
    720,977.22/1,082,115.86 = 384,298.29/x
  3. Step 3: Cross multiply
    720,977.22x = 1,082,115.86 × 384,298.29
  4. Step 4: Simplify right side
    720,977.22x = 415,855,272,658.39
  5. Step 5: Solve for x
    x = 415,855,272,658.39/720,977.22
  6. Step 6: Final answer
    x = 576,793.91

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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.