Home / 662,286.36-914,033-371,945.64

Finding the Fourth Proportional to 662,286.36, 914,033 and 371,945.64

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Solution

The fourth proportional to 662,286.36, 914,033 and 371,945.64 is: 513,328.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,286.36 : 914,033 = 371,945.64 : x
  2. Step 2: Convert to fraction form
    662,286.36/914,033 = 371,945.64/x
  3. Step 3: Cross multiply
    662,286.36x = 914,033 × 371,945.64
  4. Step 4: Simplify right side
    662,286.36x = 339,970,589,166.12
  5. Step 5: Solve for x
    x = 339,970,589,166.12/662,286.36
  6. Step 6: Final answer
    x = 513,328.69

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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.