Home / 439,488.20-659,621.10-376,502.60

Finding the Fourth Proportional to 439,488.20, 659,621.10 and 376,502.60

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Solution

The fourth proportional to 439,488.20, 659,621.10 and 376,502.60 is: 565,086.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,488.20 : 659,621.10 = 376,502.60 : x
  2. Step 2: Convert to fraction form
    439,488.20/659,621.10 = 376,502.60/x
  3. Step 3: Cross multiply
    439,488.20x = 659,621.10 × 376,502.60
  4. Step 4: Simplify right side
    439,488.20x = 248,349,059,164.86
  5. Step 5: Solve for x
    x = 248,349,059,164.86/439,488.20
  6. Step 6: Final answer
    x = 565,086.98

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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.