Home / 883,356.89-1,322,419.61-545,310.59

Finding the Fourth Proportional to 883,356.89, 1,322,419.61 and 545,310.59

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Solution

The fourth proportional to 883,356.89, 1,322,419.61 and 545,310.59 is: 816,351.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,356.89 : 1,322,419.61 = 545,310.59 : x
  2. Step 2: Convert to fraction form
    883,356.89/1,322,419.61 = 545,310.59/x
  3. Step 3: Cross multiply
    883,356.89x = 1,322,419.61 × 545,310.59
  4. Step 4: Simplify right side
    883,356.89x = 721,129,412,507.85
  5. Step 5: Solve for x
    x = 721,129,412,507.85/883,356.89
  6. Step 6: Final answer
    x = 816,351.15

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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.