Home / 627,076.03-865,367.40-340,600.90

Finding the Fourth Proportional to 627,076.03, 865,367.40 and 340,600.90

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Solution

The fourth proportional to 627,076.03, 865,367.40 and 340,600.90 is: 470,030.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,076.03 : 865,367.40 = 340,600.90 : x
  2. Step 2: Convert to fraction form
    627,076.03/865,367.40 = 340,600.90/x
  3. Step 3: Cross multiply
    627,076.03x = 865,367.40 × 340,600.90
  4. Step 4: Simplify right side
    627,076.03x = 294,744,915,270.66
  5. Step 5: Solve for x
    x = 294,744,915,270.66/627,076.03
  6. Step 6: Final answer
    x = 470,030.59

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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.