Home / 627,205.88-865,551.49-340,730.48

Finding the Fourth Proportional to 627,205.88, 865,551.49 and 340,730.48

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Solution

The fourth proportional to 627,205.88, 865,551.49 and 340,730.48 is: 470,212.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,205.88 : 865,551.49 = 340,730.48 : x
  2. Step 2: Convert to fraction form
    627,205.88/865,551.49 = 340,730.48/x
  3. Step 3: Cross multiply
    627,205.88x = 865,551.49 × 340,730.48
  4. Step 4: Simplify right side
    627,205.88x = 294,919,772,948.76
  5. Step 5: Solve for x
    x = 294,919,772,948.76/627,205.88
  6. Step 6: Final answer
    x = 470,212.07

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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.