Home / 726,932.40-1,090,621.71-372,195.48

Finding the Fourth Proportional to 726,932.40, 1,090,621.71 and 372,195.48

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Solution

The fourth proportional to 726,932.40, 1,090,621.71 and 372,195.48 is: 558,407.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,932.40 : 1,090,621.71 = 372,195.48 : x
  2. Step 2: Convert to fraction form
    726,932.40/1,090,621.71 = 372,195.48/x
  3. Step 3: Cross multiply
    726,932.40x = 1,090,621.71 × 372,195.48
  4. Step 4: Simplify right side
    726,932.40x = 405,924,470,851.87
  5. Step 5: Solve for x
    x = 405,924,470,851.87/726,932.40
  6. Step 6: Final answer
    x = 558,407.45

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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.