Home / 726,890.70-1,091,372.85-550,634.70

Finding the Fourth Proportional to 726,890.70, 1,091,372.85 and 550,634.70

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Solution

The fourth proportional to 726,890.70, 1,091,372.85 and 550,634.70 is: 826,737.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,890.70 : 1,091,372.85 = 550,634.70 : x
  2. Step 2: Convert to fraction form
    726,890.70/1,091,372.85 = 550,634.70/x
  3. Step 3: Cross multiply
    726,890.70x = 1,091,372.85 × 550,634.70
  4. Step 4: Simplify right side
    726,890.70x = 600,947,761,847.90
  5. Step 5: Solve for x
    x = 600,947,761,847.90/726,890.70
  6. Step 6: Final answer
    x = 826,737.45

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1.5x scale

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.