Home / 809,345.20-1,116,896.59-446,769.31

Finding the Fourth Proportional to 809,345.20, 1,116,896.59 and 446,769.31

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Solution

The fourth proportional to 809,345.20, 1,116,896.59 and 446,769.31 is: 616,541.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,345.20 : 1,116,896.59 = 446,769.31 : x
  2. Step 2: Convert to fraction form
    809,345.20/1,116,896.59 = 446,769.31/x
  3. Step 3: Cross multiply
    809,345.20x = 1,116,896.59 × 446,769.31
  4. Step 4: Simplify right side
    809,345.20x = 498,995,116,831.30
  5. Step 5: Solve for x
    x = 498,995,116,831.30/809,345.20
  6. Step 6: Final answer
    x = 616,541.76

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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.