Home / 762,394.59-1,143,595.83-256,959.95

Finding the Fourth Proportional to 762,394.59, 1,143,595.83 and 256,959.95

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Solution

The fourth proportional to 762,394.59, 1,143,595.83 and 256,959.95 is: 385,441.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,394.59 : 1,143,595.83 = 256,959.95 : x
  2. Step 2: Convert to fraction form
    762,394.59/1,143,595.83 = 256,959.95/x
  3. Step 3: Cross multiply
    762,394.59x = 1,143,595.83 × 256,959.95
  4. Step 4: Simplify right side
    762,394.59x = 293,858,321,579.03
  5. Step 5: Solve for x
    x = 293,858,321,579.03/762,394.59
  6. Step 6: Final answer
    x = 385,441.25

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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.