Home / 821,927.20-1,233,121.20-401,216.80

Finding the Fourth Proportional to 821,927.20, 1,233,121.20 and 401,216.80

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Solution

The fourth proportional to 821,927.20, 1,233,121.20 and 401,216.80 is: 601,937.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,927.20 : 1,233,121.20 = 401,216.80 : x
  2. Step 2: Convert to fraction form
    821,927.20/1,233,121.20 = 401,216.80/x
  3. Step 3: Cross multiply
    821,927.20x = 1,233,121.20 × 401,216.80
  4. Step 4: Simplify right side
    821,927.20x = 494,748,941,876.16
  5. Step 5: Solve for x
    x = 494,748,941,876.16/821,927.20
  6. Step 6: Final answer
    x = 601,937.67

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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.