Home / 627,214.41-865,556.91-340,734.74

Finding the Fourth Proportional to 627,214.41, 865,556.91 and 340,734.74

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Solution

The fourth proportional to 627,214.41, 865,556.91 and 340,734.74 is: 470,214.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,214.41 : 865,556.91 = 340,734.74 : x
  2. Step 2: Convert to fraction form
    627,214.41/865,556.91 = 340,734.74/x
  3. Step 3: Cross multiply
    627,214.41x = 865,556.91 × 340,734.74
  4. Step 4: Simplify right side
    627,214.41x = 294,925,304,356.27
  5. Step 5: Solve for x
    x = 294,925,304,356.27/627,214.41
  6. Step 6: Final answer
    x = 470,214.49

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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.