Home / 664,827.60-996,949.80-265,335.60

Finding the Fourth Proportional to 664,827.60, 996,949.80 and 265,335.60

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Solution

The fourth proportional to 664,827.60, 996,949.80 and 265,335.60 is: 397,887.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,827.60 : 996,949.80 = 265,335.60 : x
  2. Step 2: Convert to fraction form
    664,827.60/996,949.80 = 265,335.60/x
  3. Step 3: Cross multiply
    664,827.60x = 996,949.80 × 265,335.60
  4. Step 4: Simplify right side
    664,827.60x = 264,526,273,352.88
  5. Step 5: Solve for x
    x = 264,526,273,352.88/664,827.60
  6. Step 6: Final answer
    x = 397,887.02

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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.