Home / 775,660.46-1,163,490.73-243,224.38

Finding the Fourth Proportional to 775,660.46, 1,163,490.73 and 243,224.38

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Solution

The fourth proportional to 775,660.46, 1,163,490.73 and 243,224.38 is: 364,836.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,660.46 : 1,163,490.73 = 243,224.38 : x
  2. Step 2: Convert to fraction form
    775,660.46/1,163,490.73 = 243,224.38/x
  3. Step 3: Cross multiply
    775,660.46x = 1,163,490.73 × 243,224.38
  4. Step 4: Simplify right side
    775,660.46x = 282,989,305,622.54
  5. Step 5: Solve for x
    x = 282,989,305,622.54/775,660.46
  6. Step 6: Final answer
    x = 364,836.58

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Double scale
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Similar ratio
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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.