Home / 554,975.24-765,865.80-300,326.43

Finding the Fourth Proportional to 554,975.24, 765,865.80 and 300,326.43

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Solution

The fourth proportional to 554,975.24, 765,865.80 and 300,326.43 is: 414,450.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,975.24 : 765,865.80 = 300,326.43 : x
  2. Step 2: Convert to fraction form
    554,975.24/765,865.80 = 300,326.43/x
  3. Step 3: Cross multiply
    554,975.24x = 765,865.80 × 300,326.43
  4. Step 4: Simplify right side
    554,975.24x = 230,009,741,573.09
  5. Step 5: Solve for x
    x = 230,009,741,573.09/554,975.24
  6. Step 6: Final answer
    x = 414,450.46

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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.