Home / 627,441.36-865,867.24-340,961.52

Finding the Fourth Proportional to 627,441.36, 865,867.24 and 340,961.52

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Solution

The fourth proportional to 627,441.36, 865,867.24 and 340,961.52 is: 470,525.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,441.36 : 865,867.24 = 340,961.52 : x
  2. Step 2: Convert to fraction form
    627,441.36/865,867.24 = 340,961.52/x
  3. Step 3: Cross multiply
    627,441.36x = 865,867.24 × 340,961.52
  4. Step 4: Simplify right side
    627,441.36x = 295,227,410,268.61
  5. Step 5: Solve for x
    x = 295,227,410,268.61/627,441.36
  6. Step 6: Final answer
    x = 470,525.90

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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.