Home / 830,834.75-1,245,753-324,793.02

Finding the Fourth Proportional to 830,834.75, 1,245,753 and 324,793.02

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Solution

The fourth proportional to 830,834.75, 1,245,753 and 324,793.02 is: 486,994.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,834.75 : 1,245,753 = 324,793.02 : x
  2. Step 2: Convert to fraction form
    830,834.75/1,245,753 = 324,793.02/x
  3. Step 3: Cross multiply
    830,834.75x = 1,245,753 × 324,793.02
  4. Step 4: Simplify right side
    830,834.75x = 404,611,874,372.49
  5. Step 5: Solve for x
    x = 404,611,874,372.49/830,834.75
  6. Step 6: Final answer
    x = 486,994.41

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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.