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Finding the Fourth Proportional to 452,843.76, 624,930.88 and 248,913.56

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Solution

The fourth proportional to 452,843.76, 624,930.88 and 248,913.56 is: 343,504.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,843.76 : 624,930.88 = 248,913.56 : x
  2. Step 2: Convert to fraction form
    452,843.76/624,930.88 = 248,913.56/x
  3. Step 3: Cross multiply
    452,843.76x = 624,930.88 × 248,913.56
  4. Step 4: Simplify right side
    452,843.76x = 155,553,770,094.73
  5. Step 5: Solve for x
    x = 155,553,770,094.73/452,843.76
  6. Step 6: Final answer
    x = 343,504.28

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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.