Home / 873,971.40-1,311,000.30-454,067.40

Finding the Fourth Proportional to 873,971.40, 1,311,000.30 and 454,067.40

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Solution

The fourth proportional to 873,971.40, 1,311,000.30 and 454,067.40 is: 681,123.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,971.40 : 1,311,000.30 = 454,067.40 : x
  2. Step 2: Convert to fraction form
    873,971.40/1,311,000.30 = 454,067.40/x
  3. Step 3: Cross multiply
    873,971.40x = 1,311,000.30 × 454,067.40
  4. Step 4: Simplify right side
    873,971.40x = 595,282,497,620.22
  5. Step 5: Solve for x
    x = 595,282,497,620.22/873,971.40
  6. Step 6: Final answer
    x = 681,123.54

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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.