Home / 821,816.00-1,226,705.83-724,745.77

Finding the Fourth Proportional to 821,816.00, 1,226,705.83 and 724,745.77

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Solution

The fourth proportional to 821,816.00, 1,226,705.83 and 724,745.77 is: 1,081,811.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,816.00 : 1,226,705.83 = 724,745.77 : x
  2. Step 2: Convert to fraction form
    821,816.00/1,226,705.83 = 724,745.77/x
  3. Step 3: Cross multiply
    821,816.00x = 1,226,705.83 × 724,745.77
  4. Step 4: Simplify right side
    821,816.00x = 889,049,856,448.21
  5. Step 5: Solve for x
    x = 889,049,856,448.21/821,816.00
  6. Step 6: Final answer
    x = 1,081,811.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.