Home / 709,604.48-979,283.68-403,735.04

Finding the Fourth Proportional to 709,604.48, 979,283.68 and 403,735.04

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Solution

The fourth proportional to 709,604.48, 979,283.68 and 403,735.04 is: 557,171.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,604.48 : 979,283.68 = 403,735.04 : x
  2. Step 2: Convert to fraction form
    709,604.48/979,283.68 = 403,735.04/x
  3. Step 3: Cross multiply
    709,604.48x = 979,283.68 × 403,735.04
  4. Step 4: Simplify right side
    709,604.48x = 395,371,135,716.15
  5. Step 5: Solve for x
    x = 395,371,135,716.15/709,604.48
  6. Step 6: Final answer
    x = 557,171.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.