Home / 682,419.64-941,434.58-395,773.72

Finding the Fourth Proportional to 682,419.64, 941,434.58 and 395,773.72

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Solution

The fourth proportional to 682,419.64, 941,434.58 and 395,773.72 is: 545,991.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,419.64 : 941,434.58 = 395,773.72 : x
  2. Step 2: Convert to fraction form
    682,419.64/941,434.58 = 395,773.72/x
  3. Step 3: Cross multiply
    682,419.64x = 941,434.58 × 395,773.72
  4. Step 4: Simplify right side
    682,419.64x = 372,595,065,863.24
  5. Step 5: Solve for x
    x = 372,595,065,863.24/682,419.64
  6. Step 6: Final answer
    x = 545,991.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.