Home / 681,311.16-1,021,003.08-377,839.62

Finding the Fourth Proportional to 681,311.16, 1,021,003.08 and 377,839.62

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Solution

The fourth proportional to 681,311.16, 1,021,003.08 and 377,839.62 is: 566,225.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,311.16 : 1,021,003.08 = 377,839.62 : x
  2. Step 2: Convert to fraction form
    681,311.16/1,021,003.08 = 377,839.62/x
  3. Step 3: Cross multiply
    681,311.16x = 1,021,003.08 × 377,839.62
  4. Step 4: Simplify right side
    681,311.16x = 385,775,415,766.03
  5. Step 5: Solve for x
    x = 385,775,415,766.03/681,311.16
  6. Step 6: Final answer
    x = 566,225.01

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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.