Home / 554,974.90-765,865.33-300,326.08

Finding the Fourth Proportional to 554,974.90, 765,865.33 and 300,326.08

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Solution

The fourth proportional to 554,974.90, 765,865.33 and 300,326.08 is: 414,449.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,974.90 : 765,865.33 = 300,326.08 : x
  2. Step 2: Convert to fraction form
    554,974.90/765,865.33 = 300,326.08/x
  3. Step 3: Cross multiply
    554,974.90x = 765,865.33 × 300,326.08
  4. Step 4: Simplify right side
    554,974.90x = 230,009,332,366.81
  5. Step 5: Solve for x
    x = 230,009,332,366.81/554,974.90
  6. Step 6: Final answer
    x = 414,449.97

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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.