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Finding the Fourth Proportional to 452,860, 624,787.50 and 271,630.60

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Solution

The fourth proportional to 452,860, 624,787.50 and 271,630.60 is: 374,754.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,860 : 624,787.50 = 271,630.60 : x
  2. Step 2: Convert to fraction form
    452,860/624,787.50 = 271,630.60/x
  3. Step 3: Cross multiply
    452,860x = 624,787.50 × 271,630.60
  4. Step 4: Simplify right side
    452,860x = 169,711,403,497.50
  5. Step 5: Solve for x
    x = 169,711,403,497.50/452,860
  6. Step 6: Final answer
    x = 374,754.68

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1.5x scale

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.