Home / 296,765.12-442,500.80-263,794.88

Finding the Fourth Proportional to 296,765.12, 442,500.80 and 263,794.88

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Solution

The fourth proportional to 296,765.12, 442,500.80 and 263,794.88 is: 393,339.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,765.12 : 442,500.80 = 263,794.88 : x
  2. Step 2: Convert to fraction form
    296,765.12/442,500.80 = 263,794.88/x
  3. Step 3: Cross multiply
    296,765.12x = 442,500.80 × 263,794.88
  4. Step 4: Simplify right side
    296,765.12x = 116,729,445,435.90
  5. Step 5: Solve for x
    x = 116,729,445,435.90/296,765.12
  6. Step 6: Final answer
    x = 393,339.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.