Home / 726,866.28-1,090,522.76-372,129.32

Finding the Fourth Proportional to 726,866.28, 1,090,522.76 and 372,129.32

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Solution

The fourth proportional to 726,866.28, 1,090,522.76 and 372,129.32 is: 558,308.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,866.28 : 1,090,522.76 = 372,129.32 : x
  2. Step 2: Convert to fraction form
    726,866.28/1,090,522.76 = 372,129.32/x
  3. Step 3: Cross multiply
    726,866.28x = 1,090,522.76 × 372,129.32
  4. Step 4: Simplify right side
    726,866.28x = 405,815,493,123.32
  5. Step 5: Solve for x
    x = 405,815,493,123.32/726,866.28
  6. Step 6: Final answer
    x = 558,308.32

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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.