Home / 834,715.78-1,252,173.94-294,861.20

Finding the Fourth Proportional to 834,715.78, 1,252,173.94 and 294,861.20

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Solution

The fourth proportional to 834,715.78, 1,252,173.94 and 294,861.20 is: 442,327.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,715.78 : 1,252,173.94 = 294,861.20 : x
  2. Step 2: Convert to fraction form
    834,715.78/1,252,173.94 = 294,861.20/x
  3. Step 3: Cross multiply
    834,715.78x = 1,252,173.94 × 294,861.20
  4. Step 4: Simplify right side
    834,715.78x = 369,217,503,559.11
  5. Step 5: Solve for x
    x = 369,217,503,559.11/834,715.78
  6. Step 6: Final answer
    x = 442,327.21

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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.