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Finding the Fourth Proportional to 658,682.44, 908,969.88 and 372,196.36

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Solution

The fourth proportional to 658,682.44, 908,969.88 and 372,196.36 is: 513,624.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,682.44 : 908,969.88 = 372,196.36 : x
  2. Step 2: Convert to fraction form
    658,682.44/908,969.88 = 372,196.36/x
  3. Step 3: Cross multiply
    658,682.44x = 908,969.88 × 372,196.36
  4. Step 4: Simplify right side
    658,682.44x = 338,315,280,685.64
  5. Step 5: Solve for x
    x = 338,315,280,685.64/658,682.44
  6. Step 6: Final answer
    x = 513,624.26

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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.