Home / 711,579.27-1,067,368.07-231,806.30

Finding the Fourth Proportional to 711,579.27, 1,067,368.07 and 231,806.30

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Solution

The fourth proportional to 711,579.27, 1,067,368.07 and 231,806.30 is: 347,709.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,579.27 : 1,067,368.07 = 231,806.30 : x
  2. Step 2: Convert to fraction form
    711,579.27/1,067,368.07 = 231,806.30/x
  3. Step 3: Cross multiply
    711,579.27x = 1,067,368.07 × 231,806.30
  4. Step 4: Simplify right side
    711,579.27x = 247,422,641,885.81
  5. Step 5: Solve for x
    x = 247,422,641,885.81/711,579.27
  6. Step 6: Final answer
    x = 347,709.18

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1.5x scale

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.