Home / 961,403.22-1,441,994.67-251,499.78

Finding the Fourth Proportional to 961,403.22, 1,441,994.67 and 251,499.78

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Solution

The fourth proportional to 961,403.22, 1,441,994.67 and 251,499.78 is: 377,220.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,403.22 : 1,441,994.67 = 251,499.78 : x
  2. Step 2: Convert to fraction form
    961,403.22/1,441,994.67 = 251,499.78/x
  3. Step 3: Cross multiply
    961,403.22x = 1,441,994.67 × 251,499.78
  4. Step 4: Simplify right side
    961,403.22x = 362,661,342,266.17
  5. Step 5: Solve for x
    x = 362,661,342,266.17/961,403.22
  6. Step 6: Final answer
    x = 377,220.85

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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.