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Finding the Fourth Proportional to 624,571.52, 861,844.79 and 362,886.03

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Solution

The fourth proportional to 624,571.52, 861,844.79 and 362,886.03 is: 500,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,571.52 : 861,844.79 = 362,886.03 : x
  2. Step 2: Convert to fraction form
    624,571.52/861,844.79 = 362,886.03/x
  3. Step 3: Cross multiply
    624,571.52x = 861,844.79 × 362,886.03
  4. Step 4: Simplify right side
    624,571.52x = 312,751,435,226.50
  5. Step 5: Solve for x
    x = 312,751,435,226.50/624,571.52
  6. Step 6: Final answer
    x = 500,745.60

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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.