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Finding the Fourth Proportional to 627,355.58, 940,504.32 and 272,102

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Solution

The fourth proportional to 627,355.58, 940,504.32 and 272,102 is: 407,923.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,355.58 : 940,504.32 = 272,102 : x
  2. Step 2: Convert to fraction form
    627,355.58/940,504.32 = 272,102/x
  3. Step 3: Cross multiply
    627,355.58x = 940,504.32 × 272,102
  4. Step 4: Simplify right side
    627,355.58x = 255,913,106,480.64
  5. Step 5: Solve for x
    x = 255,913,106,480.64/627,355.58
  6. Step 6: Final answer
    x = 407,923.54

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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.