Home / 856,296.12-1,284,020.82-501,399.48

Finding the Fourth Proportional to 856,296.12, 1,284,020.82 and 501,399.48

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Solution

The fourth proportional to 856,296.12, 1,284,020.82 and 501,399.48 is: 751,851.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,296.12 : 1,284,020.82 = 501,399.48 : x
  2. Step 2: Convert to fraction form
    856,296.12/1,284,020.82 = 501,399.48/x
  3. Step 3: Cross multiply
    856,296.12x = 1,284,020.82 × 501,399.48
  4. Step 4: Simplify right side
    856,296.12x = 643,807,371,457.17
  5. Step 5: Solve for x
    x = 643,807,371,457.17/856,296.12
  6. Step 6: Final answer
    x = 751,851.32

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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.