Home / 439,331.20-659,774.40-339,733.60

Finding the Fourth Proportional to 439,331.20, 659,774.40 and 339,733.60

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Solution

The fourth proportional to 439,331.20, 659,774.40 and 339,733.60 is: 510,201.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,331.20 : 659,774.40 = 339,733.60 : x
  2. Step 2: Convert to fraction form
    439,331.20/659,774.40 = 339,733.60/x
  3. Step 3: Cross multiply
    439,331.20x = 659,774.40 × 339,733.60
  4. Step 4: Simplify right side
    439,331.20x = 224,147,532,099.84
  5. Step 5: Solve for x
    x = 224,147,532,099.84/439,331.20
  6. Step 6: Final answer
    x = 510,201.72

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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.