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Finding the Fourth Proportional to 885,797.60, 1,328,052.72 and 353,158.88

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Solution

The fourth proportional to 885,797.60, 1,328,052.72 and 353,158.88 is: 529,481.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,797.60 : 1,328,052.72 = 353,158.88 : x
  2. Step 2: Convert to fraction form
    885,797.60/1,328,052.72 = 353,158.88/x
  3. Step 3: Cross multiply
    885,797.60x = 1,328,052.72 × 353,158.88
  4. Step 4: Simplify right side
    885,797.60x = 469,013,611,176.15
  5. Step 5: Solve for x
    x = 469,013,611,176.15/885,797.60
  6. Step 6: Final answer
    x = 529,481.69

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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.