Home / 439,727.70-659,591.55-329,135.70

Finding the Fourth Proportional to 439,727.70, 659,591.55 and 329,135.70

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Solution

The fourth proportional to 439,727.70, 659,591.55 and 329,135.70 is: 493,703.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,727.70 : 659,591.55 = 329,135.70 : x
  2. Step 2: Convert to fraction form
    439,727.70/659,591.55 = 329,135.70/x
  3. Step 3: Cross multiply
    439,727.70x = 659,591.55 × 329,135.70
  4. Step 4: Simplify right side
    439,727.70x = 217,095,126,523.34
  5. Step 5: Solve for x
    x = 217,095,126,523.34/439,727.70
  6. Step 6: Final answer
    x = 493,703.55

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1.5x scale

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.