Home / 627,208.63-865,555.28-340,733.23

Finding the Fourth Proportional to 627,208.63, 865,555.28 and 340,733.23

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Solution

The fourth proportional to 627,208.63, 865,555.28 and 340,733.23 is: 470,215.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,208.63 : 865,555.28 = 340,733.23 : x
  2. Step 2: Convert to fraction form
    627,208.63/865,555.28 = 340,733.23/x
  3. Step 3: Cross multiply
    627,208.63x = 865,555.28 × 340,733.23
  4. Step 4: Simplify right side
    627,208.63x = 294,923,446,297.95
  5. Step 5: Solve for x
    x = 294,923,446,297.95/627,208.63
  6. Step 6: Final answer
    x = 470,215.86

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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.