Home / 781,437.12-1,172,179.98-269,097

Finding the Fourth Proportional to 781,437.12, 1,172,179.98 and 269,097

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Solution

The fourth proportional to 781,437.12, 1,172,179.98 and 269,097 is: 403,653.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,437.12 : 1,172,179.98 = 269,097 : x
  2. Step 2: Convert to fraction form
    781,437.12/1,172,179.98 = 269,097/x
  3. Step 3: Cross multiply
    781,437.12x = 1,172,179.98 × 269,097
  4. Step 4: Simplify right side
    781,437.12x = 315,430,116,078.06
  5. Step 5: Solve for x
    x = 315,430,116,078.06/781,437.12
  6. Step 6: Final answer
    x = 403,653.87

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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.