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Finding the Fourth Proportional to 452,806.64, 624,885.20 and 248,863.44

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Solution

The fourth proportional to 452,806.64, 624,885.20 and 248,863.44 is: 343,438.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,806.64 : 624,885.20 = 248,863.44 : x
  2. Step 2: Convert to fraction form
    452,806.64/624,885.20 = 248,863.44/x
  3. Step 3: Cross multiply
    452,806.64x = 624,885.20 × 248,863.44
  4. Step 4: Simplify right side
    452,806.64x = 155,511,080,477.09
  5. Step 5: Solve for x
    x = 155,511,080,477.09/452,806.64
  6. Step 6: Final answer
    x = 343,438.16

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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.