Home / 627,288.41-941,405.83-290,565.31

Finding the Fourth Proportional to 627,288.41, 941,405.83 and 290,565.31

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Solution

The fourth proportional to 627,288.41, 941,405.83 and 290,565.31 is: 436,067.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,288.41 : 941,405.83 = 290,565.31 : x
  2. Step 2: Convert to fraction form
    627,288.41/941,405.83 = 290,565.31/x
  3. Step 3: Cross multiply
    627,288.41x = 941,405.83 × 290,565.31
  4. Step 4: Simplify right side
    627,288.41x = 273,539,876,829.76
  5. Step 5: Solve for x
    x = 273,539,876,829.76/627,288.41
  6. Step 6: Final answer
    x = 436,067.16

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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.