Home / 866,288.98-1,296,899.52-505,356.22

Finding the Fourth Proportional to 866,288.98, 1,296,899.52 and 505,356.22

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Solution

The fourth proportional to 866,288.98, 1,296,899.52 and 505,356.22 is: 756,556.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,288.98 : 1,296,899.52 = 505,356.22 : x
  2. Step 2: Convert to fraction form
    866,288.98/1,296,899.52 = 505,356.22/x
  3. Step 3: Cross multiply
    866,288.98x = 1,296,899.52 × 505,356.22
  4. Step 4: Simplify right side
    866,288.98x = 655,396,239,147.01
  5. Step 5: Solve for x
    x = 655,396,239,147.01/866,288.98
  6. Step 6: Final answer
    x = 756,556.13

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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.