Home / 439,932.72-659,847.24-346,465.20

Finding the Fourth Proportional to 439,932.72, 659,847.24 and 346,465.20

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Solution

The fourth proportional to 439,932.72, 659,847.24 and 346,465.20 is: 519,656.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,932.72 : 659,847.24 = 346,465.20 : x
  2. Step 2: Convert to fraction form
    439,932.72/659,847.24 = 346,465.20/x
  3. Step 3: Cross multiply
    439,932.72x = 659,847.24 × 346,465.20
  4. Step 4: Simplify right side
    439,932.72x = 228,614,105,976.05
  5. Step 5: Solve for x
    x = 228,614,105,976.05/439,932.72
  6. Step 6: Final answer
    x = 519,656.97

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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.