Home / 809,844.75-1,117,585.85-470,334.87

Finding the Fourth Proportional to 809,844.75, 1,117,585.85 and 470,334.87

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Solution

The fourth proportional to 809,844.75, 1,117,585.85 and 470,334.87 is: 649,062.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,844.75 : 1,117,585.85 = 470,334.87 : x
  2. Step 2: Convert to fraction form
    809,844.75/1,117,585.85 = 470,334.87/x
  3. Step 3: Cross multiply
    809,844.75x = 1,117,585.85 × 470,334.87
  4. Step 4: Simplify right side
    809,844.75x = 525,639,593,121.92
  5. Step 5: Solve for x
    x = 525,639,593,121.92/809,844.75
  6. Step 6: Final answer
    x = 649,062.17

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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.