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Finding the Fourth Proportional to 627,576, 940,989.82 and 248,551.13

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Solution

The fourth proportional to 627,576, 940,989.82 and 248,551.13 is: 372,678.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,576 : 940,989.82 = 248,551.13 : x
  2. Step 2: Convert to fraction form
    627,576/940,989.82 = 248,551.13/x
  3. Step 3: Cross multiply
    627,576x = 940,989.82 × 248,551.13
  4. Step 4: Simplify right side
    627,576x = 233,884,083,079.50
  5. Step 5: Solve for x
    x = 233,884,083,079.50/627,576
  6. Step 6: Final answer
    x = 372,678.50

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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.