Home / 762,305.58-1,143,335.69-222,435.11

Finding the Fourth Proportional to 762,305.58, 1,143,335.69 and 222,435.11

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Solution

The fourth proportional to 762,305.58, 1,143,335.69 and 222,435.11 is: 333,616.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,305.58 : 1,143,335.69 = 222,435.11 : x
  2. Step 2: Convert to fraction form
    762,305.58/1,143,335.69 = 222,435.11/x
  3. Step 3: Cross multiply
    762,305.58x = 1,143,335.69 × 222,435.11
  4. Step 4: Simplify right side
    762,305.58x = 254,317,999,972.08
  5. Step 5: Solve for x
    x = 254,317,999,972.08/762,305.58
  6. Step 6: Final answer
    x = 333,616.87

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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.