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Finding the Fourth Proportional to 442,880.80, 662,938.80 and 348,877.60

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Solution

The fourth proportional to 442,880.80, 662,938.80 and 348,877.60 is: 522,227.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,880.80 : 662,938.80 = 348,877.60 : x
  2. Step 2: Convert to fraction form
    442,880.80/662,938.80 = 348,877.60/x
  3. Step 3: Cross multiply
    442,880.80x = 662,938.80 × 348,877.60
  4. Step 4: Simplify right side
    442,880.80x = 231,284,497,490.88
  5. Step 5: Solve for x
    x = 231,284,497,490.88/442,880.80
  6. Step 6: Final answer
    x = 522,227.42

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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.