Home / 727,667.97-1,091,653.16-306,947.49

Finding the Fourth Proportional to 727,667.97, 1,091,653.16 and 306,947.49

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Solution

The fourth proportional to 727,667.97, 1,091,653.16 and 306,947.49 is: 460,485.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,667.97 : 1,091,653.16 = 306,947.49 : x
  2. Step 2: Convert to fraction form
    727,667.97/1,091,653.16 = 306,947.49/x
  3. Step 3: Cross multiply
    727,667.97x = 1,091,653.16 × 306,947.49
  4. Step 4: Simplify right side
    727,667.97x = 335,080,197,412.57
  5. Step 5: Solve for x
    x = 335,080,197,412.57/727,667.97
  6. Step 6: Final answer
    x = 460,485.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.