Home / 729,190.35-1,006,339.97-402,568.27

Finding the Fourth Proportional to 729,190.35, 1,006,339.97 and 402,568.27

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Solution

The fourth proportional to 729,190.35, 1,006,339.97 and 402,568.27 is: 555,575.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,190.35 : 1,006,339.97 = 402,568.27 : x
  2. Step 2: Convert to fraction form
    729,190.35/1,006,339.97 = 402,568.27/x
  3. Step 3: Cross multiply
    729,190.35x = 1,006,339.97 × 402,568.27
  4. Step 4: Simplify right side
    729,190.35x = 405,120,539,245.32
  5. Step 5: Solve for x
    x = 405,120,539,245.32/729,190.35
  6. Step 6: Final answer
    x = 555,575.84

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