Home / 777,288.12-1,166,089.32-328,010.01

Finding the Fourth Proportional to 777,288.12, 1,166,089.32 and 328,010.01

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Solution

The fourth proportional to 777,288.12, 1,166,089.32 and 328,010.01 is: 492,081.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,288.12 : 1,166,089.32 = 328,010.01 : x
  2. Step 2: Convert to fraction form
    777,288.12/1,166,089.32 = 328,010.01/x
  3. Step 3: Cross multiply
    777,288.12x = 1,166,089.32 × 328,010.01
  4. Step 4: Simplify right side
    777,288.12x = 382,488,969,514.09
  5. Step 5: Solve for x
    x = 382,488,969,514.09/777,288.12
  6. Step 6: Final answer
    x = 492,081.33

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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.