Home / 672,697.05-1,009,249.27-240,357.89

Finding the Fourth Proportional to 672,697.05, 1,009,249.27 and 240,357.89

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Solution

The fourth proportional to 672,697.05, 1,009,249.27 and 240,357.89 is: 360,609.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,697.05 : 1,009,249.27 = 240,357.89 : x
  2. Step 2: Convert to fraction form
    672,697.05/1,009,249.27 = 240,357.89/x
  3. Step 3: Cross multiply
    672,697.05x = 1,009,249.27 × 240,357.89
  4. Step 4: Simplify right side
    672,697.05x = 242,581,023,497.10
  5. Step 5: Solve for x
    x = 242,581,023,497.10/672,697.05
  6. Step 6: Final answer
    x = 360,609.62

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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.