Home / 791,771.43-1,091,939.08-617,384.86

Finding the Fourth Proportional to 791,771.43, 1,091,939.08 and 617,384.86

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Solution

The fourth proportional to 791,771.43, 1,091,939.08 and 617,384.86 is: 851,440.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,771.43 : 1,091,939.08 = 617,384.86 : x
  2. Step 2: Convert to fraction form
    791,771.43/1,091,939.08 = 617,384.86/x
  3. Step 3: Cross multiply
    791,771.43x = 1,091,939.08 × 617,384.86
  4. Step 4: Simplify right side
    791,771.43x = 674,146,653,229.61
  5. Step 5: Solve for x
    x = 674,146,653,229.61/791,771.43
  6. Step 6: Final answer
    x = 851,440.99

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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.