Home / 439,201.60-659,416.80-273,313.60

Finding the Fourth Proportional to 439,201.60, 659,416.80 and 273,313.60

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Solution

The fourth proportional to 439,201.60, 659,416.80 and 273,313.60 is: 410,352.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,201.60 : 659,416.80 = 273,313.60 : x
  2. Step 2: Convert to fraction form
    439,201.60/659,416.80 = 273,313.60/x
  3. Step 3: Cross multiply
    439,201.60x = 659,416.80 × 273,313.60
  4. Step 4: Simplify right side
    439,201.60x = 180,227,579,508.48
  5. Step 5: Solve for x
    x = 180,227,579,508.48/439,201.60
  6. Step 6: Final answer
    x = 410,352.74

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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.