Home / 439,296.12-658,761.63-214,591.32

Finding the Fourth Proportional to 439,296.12, 658,761.63 and 214,591.32

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Solution

The fourth proportional to 439,296.12, 658,761.63 and 214,591.32 is: 321,797.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,296.12 : 658,761.63 = 214,591.32 : x
  2. Step 2: Convert to fraction form
    439,296.12/658,761.63 = 214,591.32/x
  3. Step 3: Cross multiply
    439,296.12x = 658,761.63 × 214,591.32
  4. Step 4: Simplify right side
    439,296.12x = 141,364,527,747.05
  5. Step 5: Solve for x
    x = 141,364,527,747.05/439,296.12
  6. Step 6: Final answer
    x = 321,797.81

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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.