Home / 554,974.97-765,865.45-300,326.16

Finding the Fourth Proportional to 554,974.97, 765,865.45 and 300,326.16

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Solution

The fourth proportional to 554,974.97, 765,865.45 and 300,326.16 is: 414,450.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,974.97 : 765,865.45 = 300,326.16 : x
  2. Step 2: Convert to fraction form
    554,974.97/765,865.45 = 300,326.16/x
  3. Step 3: Cross multiply
    554,974.97x = 765,865.45 × 300,326.16
  4. Step 4: Simplify right side
    554,974.97x = 230,009,429,675.17
  5. Step 5: Solve for x
    x = 230,009,429,675.17/554,974.97
  6. Step 6: Final answer
    x = 414,450.10

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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.