Home / 726,430.44-1,002,460.26-404,139.54

Finding the Fourth Proportional to 726,430.44, 1,002,460.26 and 404,139.54

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Solution

The fourth proportional to 726,430.44, 1,002,460.26 and 404,139.54 is: 557,704.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,430.44 : 1,002,460.26 = 404,139.54 : x
  2. Step 2: Convert to fraction form
    726,430.44/1,002,460.26 = 404,139.54/x
  3. Step 3: Cross multiply
    726,430.44x = 1,002,460.26 × 404,139.54
  4. Step 4: Simplify right side
    726,430.44x = 405,133,828,344.68
  5. Step 5: Solve for x
    x = 405,133,828,344.68/726,430.44
  6. Step 6: Final answer
    x = 557,704.92

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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.