Home / 850,471.94-1,275,676.01-210,777.78

Finding the Fourth Proportional to 850,471.94, 1,275,676.01 and 210,777.78

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Solution

The fourth proportional to 850,471.94, 1,275,676.01 and 210,777.78 is: 316,158.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,471.94 : 1,275,676.01 = 210,777.78 : x
  2. Step 2: Convert to fraction form
    850,471.94/1,275,676.01 = 210,777.78/x
  3. Step 3: Cross multiply
    850,471.94x = 1,275,676.01 × 210,777.78
  4. Step 4: Simplify right side
    850,471.94x = 268,884,156,333.17
  5. Step 5: Solve for x
    x = 268,884,156,333.17/850,471.94
  6. Step 6: Final answer
    x = 316,158.76

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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.