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Finding the Fourth Proportional to 850,336.84, 1,274,630.22 and 377,245

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Solution

The fourth proportional to 850,336.84, 1,274,630.22 and 377,245 is: 565,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,336.84 : 1,274,630.22 = 377,245 : x
  2. Step 2: Convert to fraction form
    850,336.84/1,274,630.22 = 377,245/x
  3. Step 3: Cross multiply
    850,336.84x = 1,274,630.22 × 377,245
  4. Step 4: Simplify right side
    850,336.84x = 480,847,877,343.90
  5. Step 5: Solve for x
    x = 480,847,877,343.90/850,336.84
  6. Step 6: Final answer
    x = 565,479.30

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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.