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Finding the Fourth Proportional to 647,523.60, 971,285.40 and 204,291.60

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Solution

The fourth proportional to 647,523.60, 971,285.40 and 204,291.60 is: 306,437.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,523.60 : 971,285.40 = 204,291.60 : x
  2. Step 2: Convert to fraction form
    647,523.60/971,285.40 = 204,291.60/x
  3. Step 3: Cross multiply
    647,523.60x = 971,285.40 × 204,291.60
  4. Step 4: Simplify right side
    647,523.60x = 198,425,448,422.64
  5. Step 5: Solve for x
    x = 198,425,448,422.64/647,523.60
  6. Step 6: Final answer
    x = 306,437.40

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Similar ratio
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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.