Home / 809,047-1,116,485.34-451,351

Finding the Fourth Proportional to 809,047, 1,116,485.34 and 451,351

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Solution

The fourth proportional to 809,047, 1,116,485.34 and 451,351 is: 622,864.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,047 : 1,116,485.34 = 451,351 : x
  2. Step 2: Convert to fraction form
    809,047/1,116,485.34 = 451,351/x
  3. Step 3: Cross multiply
    809,047x = 1,116,485.34 × 451,351
  4. Step 4: Simplify right side
    809,047x = 503,926,774,694.34
  5. Step 5: Solve for x
    x = 503,926,774,694.34/809,047
  6. Step 6: Final answer
    x = 622,864.65

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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.