Home / 809,229.36-1,117,262.52-724,200.24

Finding the Fourth Proportional to 809,229.36, 1,117,262.52 and 724,200.24

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Solution

The fourth proportional to 809,229.36, 1,117,262.52 and 724,200.24 is: 999,867.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,229.36 : 1,117,262.52 = 724,200.24 : x
  2. Step 2: Convert to fraction form
    809,229.36/1,117,262.52 = 724,200.24/x
  3. Step 3: Cross multiply
    809,229.36x = 1,117,262.52 × 724,200.24
  4. Step 4: Simplify right side
    809,229.36x = 809,121,785,127.01
  5. Step 5: Solve for x
    x = 809,121,785,127.01/809,229.36
  6. Step 6: Final answer
    x = 999,867.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.