Home / 627,091.44-865,387.62-340,605.48

Finding the Fourth Proportional to 627,091.44, 865,387.62 and 340,605.48

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Solution

The fourth proportional to 627,091.44, 865,387.62 and 340,605.48 is: 470,036.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,091.44 : 865,387.62 = 340,605.48 : x
  2. Step 2: Convert to fraction form
    627,091.44/865,387.62 = 340,605.48/x
  3. Step 3: Cross multiply
    627,091.44x = 865,387.62 × 340,605.48
  4. Step 4: Simplify right side
    627,091.44x = 294,755,765,696.16
  5. Step 5: Solve for x
    x = 294,755,765,696.16/627,091.44
  6. Step 6: Final answer
    x = 470,036.34

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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.