Home / 627,621.94-940,902.36-272,368.90

Finding the Fourth Proportional to 627,621.94, 940,902.36 and 272,368.90

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Solution

The fourth proportional to 627,621.94, 940,902.36 and 272,368.90 is: 408,323.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,621.94 : 940,902.36 = 272,368.90 : x
  2. Step 2: Convert to fraction form
    627,621.94/940,902.36 = 272,368.90/x
  3. Step 3: Cross multiply
    627,621.94x = 940,902.36 × 272,368.90
  4. Step 4: Simplify right side
    627,621.94x = 256,272,540,800.60
  5. Step 5: Solve for x
    x = 256,272,540,800.60/627,621.94
  6. Step 6: Final answer
    x = 408,323.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.