Home / 822,978.53-1,234,343.07-223,986.36

Finding the Fourth Proportional to 822,978.53, 1,234,343.07 and 223,986.36

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Solution

The fourth proportional to 822,978.53, 1,234,343.07 and 223,986.36 is: 335,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,978.53 : 1,234,343.07 = 223,986.36 : x
  2. Step 2: Convert to fraction form
    822,978.53/1,234,343.07 = 223,986.36/x
  3. Step 3: Cross multiply
    822,978.53x = 1,234,343.07 × 223,986.36
  4. Step 4: Simplify right side
    822,978.53x = 276,476,015,869.31
  5. Step 5: Solve for x
    x = 276,476,015,869.31/822,978.53
  6. Step 6: Final answer
    x = 335,945.60

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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.