Home / 979,253.46-1,468,710.90-259,599.78

Finding the Fourth Proportional to 979,253.46, 1,468,710.90 and 259,599.78

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Solution

The fourth proportional to 979,253.46, 1,468,710.90 and 259,599.78 is: 389,354.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,253.46 : 1,468,710.90 = 259,599.78 : x
  2. Step 2: Convert to fraction form
    979,253.46/1,468,710.90 = 259,599.78/x
  3. Step 3: Cross multiply
    979,253.46x = 1,468,710.90 × 259,599.78
  4. Step 4: Simplify right side
    979,253.46x = 381,277,026,523.60
  5. Step 5: Solve for x
    x = 381,277,026,523.60/979,253.46
  6. Step 6: Final answer
    x = 389,354.79

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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.