Home / 809,379.36-1,117,078.59-773,506.08

Finding the Fourth Proportional to 809,379.36, 1,117,078.59 and 773,506.08

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Solution

The fourth proportional to 809,379.36, 1,117,078.59 and 773,506.08 is: 1,067,567.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,379.36 : 1,117,078.59 = 773,506.08 : x
  2. Step 2: Convert to fraction form
    809,379.36/1,117,078.59 = 773,506.08/x
  3. Step 3: Cross multiply
    809,379.36x = 1,117,078.59 × 773,506.08
  4. Step 4: Simplify right side
    809,379.36x = 864,067,081,202.83
  5. Step 5: Solve for x
    x = 864,067,081,202.83/809,379.36
  6. Step 6: Final answer
    x = 1,067,567.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.