Home / 726,964.94-1,090,669.78-372,229.92

Finding the Fourth Proportional to 726,964.94, 1,090,669.78 and 372,229.92

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Solution

The fourth proportional to 726,964.94, 1,090,669.78 and 372,229.92 is: 558,458.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,964.94 : 1,090,669.78 = 372,229.92 : x
  2. Step 2: Convert to fraction form
    726,964.94/1,090,669.78 = 372,229.92/x
  3. Step 3: Cross multiply
    726,964.94x = 1,090,669.78 × 372,229.92
  4. Step 4: Simplify right side
    726,964.94x = 405,979,924,955.82
  5. Step 5: Solve for x
    x = 405,979,924,955.82/726,964.94
  6. Step 6: Final answer
    x = 558,458.74

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1.5x scale

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.