Home / 439,961.46-659,920.31-240,671.10

Finding the Fourth Proportional to 439,961.46, 659,920.31 and 240,671.10

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Solution

The fourth proportional to 439,961.46, 659,920.31 and 240,671.10 is: 360,994.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,961.46 : 659,920.31 = 240,671.10 : x
  2. Step 2: Convert to fraction form
    439,961.46/659,920.31 = 240,671.10/x
  3. Step 3: Cross multiply
    439,961.46x = 659,920.31 × 240,671.10
  4. Step 4: Simplify right side
    439,961.46x = 158,823,745,716.69
  5. Step 5: Solve for x
    x = 158,823,745,716.69/439,961.46
  6. Step 6: Final answer
    x = 360,994.68

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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.