Home / 726,953.94-1,090,653.26-372,218.90

Finding the Fourth Proportional to 726,953.94, 1,090,653.26 and 372,218.90

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Solution

The fourth proportional to 726,953.94, 1,090,653.26 and 372,218.90 is: 558,442.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,953.94 : 1,090,653.26 = 372,218.90 : x
  2. Step 2: Convert to fraction form
    726,953.94/1,090,653.26 = 372,218.90/x
  3. Step 3: Cross multiply
    726,953.94x = 1,090,653.26 × 372,218.90
  4. Step 4: Simplify right side
    726,953.94x = 405,961,749,404.25
  5. Step 5: Solve for x
    x = 405,961,749,404.25/726,953.94
  6. Step 6: Final answer
    x = 558,442.19

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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.