Home / 726,896.70-1,091,381.85-550,640.70

Finding the Fourth Proportional to 726,896.70, 1,091,381.85 and 550,640.70

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Solution

The fourth proportional to 726,896.70, 1,091,381.85 and 550,640.70 is: 826,746.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,896.70 : 1,091,381.85 = 550,640.70 : x
  2. Step 2: Convert to fraction form
    726,896.70/1,091,381.85 = 550,640.70/x
  3. Step 3: Cross multiply
    726,896.70x = 1,091,381.85 × 550,640.70
  4. Step 4: Simplify right side
    726,896.70x = 600,959,265,851.30
  5. Step 5: Solve for x
    x = 600,959,265,851.30/726,896.70
  6. Step 6: Final answer
    x = 826,746.45

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Double scale
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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.