Home / 711,948.20-1,067,922.30-446,527.40

Finding the Fourth Proportional to 711,948.20, 1,067,922.30 and 446,527.40

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Solution

The fourth proportional to 711,948.20, 1,067,922.30 and 446,527.40 is: 669,791.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,948.20 : 1,067,922.30 = 446,527.40 : x
  2. Step 2: Convert to fraction form
    711,948.20/1,067,922.30 = 446,527.40/x
  3. Step 3: Cross multiply
    711,948.20x = 1,067,922.30 × 446,527.40
  4. Step 4: Simplify right side
    711,948.20x = 476,856,568,021.02
  5. Step 5: Solve for x
    x = 476,856,568,021.02/711,948.20
  6. Step 6: Final answer
    x = 669,791.10

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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.