Home / 627,097.50-865,399.20-340,617.48

Finding the Fourth Proportional to 627,097.50, 865,399.20 and 340,617.48

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Solution

The fourth proportional to 627,097.50, 865,399.20 and 340,617.48 is: 470,054.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,097.50 : 865,399.20 = 340,617.48 : x
  2. Step 2: Convert to fraction form
    627,097.50/865,399.20 = 340,617.48/x
  3. Step 3: Cross multiply
    627,097.50x = 865,399.20 × 340,617.48
  4. Step 4: Simplify right side
    627,097.50x = 294,770,094,698.02
  5. Step 5: Solve for x
    x = 294,770,094,698.02/627,097.50
  6. Step 6: Final answer
    x = 470,054.65

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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.