Home / 766,182.39-1,147,452.85-385,906.83

Finding the Fourth Proportional to 766,182.39, 1,147,452.85 and 385,906.83

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Solution

The fourth proportional to 766,182.39, 1,147,452.85 and 385,906.83 is: 577,943.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,182.39 : 1,147,452.85 = 385,906.83 : x
  2. Step 2: Convert to fraction form
    766,182.39/1,147,452.85 = 385,906.83/x
  3. Step 3: Cross multiply
    766,182.39x = 1,147,452.85 × 385,906.83
  4. Step 4: Simplify right side
    766,182.39x = 442,809,888,097.40
  5. Step 5: Solve for x
    x = 442,809,888,097.40/766,182.39
  6. Step 6: Final answer
    x = 577,943.18

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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.