Home / 813,518.37-1,122,296.04-571,958.73

Finding the Fourth Proportional to 813,518.37, 1,122,296.04 and 571,958.73

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Solution

The fourth proportional to 813,518.37, 1,122,296.04 and 571,958.73 is: 789,050.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,518.37 : 1,122,296.04 = 571,958.73 : x
  2. Step 2: Convert to fraction form
    813,518.37/1,122,296.04 = 571,958.73/x
  3. Step 3: Cross multiply
    813,518.37x = 1,122,296.04 × 571,958.73
  4. Step 4: Simplify right side
    813,518.37x = 641,907,017,722.43
  5. Step 5: Solve for x
    x = 641,907,017,722.43/813,518.37
  6. Step 6: Final answer
    x = 789,050.43

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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.