Home / 726,898.20-1,091,513.70-491,285.40

Finding the Fourth Proportional to 726,898.20, 1,091,513.70 and 491,285.40

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Solution

The fourth proportional to 726,898.20, 1,091,513.70 and 491,285.40 is: 737,716.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,898.20 : 1,091,513.70 = 491,285.40 : x
  2. Step 2: Convert to fraction form
    726,898.20/1,091,513.70 = 491,285.40/x
  3. Step 3: Cross multiply
    726,898.20x = 1,091,513.70 × 491,285.40
  4. Step 4: Simplify right side
    726,898.20x = 536,244,744,709.98
  5. Step 5: Solve for x
    x = 536,244,744,709.98/726,898.20
  6. Step 6: Final answer
    x = 737,716.43

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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.