Home / 961,631.39-1,441,172.96-511,382.77

Finding the Fourth Proportional to 961,631.39, 1,441,172.96 and 511,382.77

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Solution

The fourth proportional to 961,631.39, 1,441,172.96 and 511,382.77 is: 766,396.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,631.39 : 1,441,172.96 = 511,382.77 : x
  2. Step 2: Convert to fraction form
    961,631.39/1,441,172.96 = 511,382.77/x
  3. Step 3: Cross multiply
    961,631.39x = 1,441,172.96 × 511,382.77
  4. Step 4: Simplify right side
    961,631.39x = 736,991,016,091.74
  5. Step 5: Solve for x
    x = 736,991,016,091.74/961,631.39
  6. Step 6: Final answer
    x = 766,396.59

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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.