Home / 766,869.12-1,150,310.97-205,903.62

Finding the Fourth Proportional to 766,869.12, 1,150,310.97 and 205,903.62

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Solution

The fourth proportional to 766,869.12, 1,150,310.97 and 205,903.62 is: 308,857.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,869.12 : 1,150,310.97 = 205,903.62 : x
  2. Step 2: Convert to fraction form
    766,869.12/1,150,310.97 = 205,903.62/x
  3. Step 3: Cross multiply
    766,869.12x = 1,150,310.97 × 205,903.62
  4. Step 4: Simplify right side
    766,869.12x = 236,853,192,848.71
  5. Step 5: Solve for x
    x = 236,853,192,848.71/766,869.12
  6. Step 6: Final answer
    x = 308,857.39

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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.