Home / 766,293.38-1,149,579.50-316,770.12

Finding the Fourth Proportional to 766,293.38, 1,149,579.50 and 316,770.12

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Solution

The fourth proportional to 766,293.38, 1,149,579.50 and 316,770.12 is: 475,212.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,293.38 : 1,149,579.50 = 316,770.12 : x
  2. Step 2: Convert to fraction form
    766,293.38/1,149,579.50 = 316,770.12/x
  3. Step 3: Cross multiply
    766,293.38x = 1,149,579.50 × 316,770.12
  4. Step 4: Simplify right side
    766,293.38x = 364,152,436,164.54
  5. Step 5: Solve for x
    x = 364,152,436,164.54/766,293.38
  6. Step 6: Final answer
    x = 475,212.82

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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.