Home / 726,982.36-1,003,729.44-455,160.12

Finding the Fourth Proportional to 726,982.36, 1,003,729.44 and 455,160.12

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Solution

The fourth proportional to 726,982.36, 1,003,729.44 and 455,160.12 is: 628,430.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,982.36 : 1,003,729.44 = 455,160.12 : x
  2. Step 2: Convert to fraction form
    726,982.36/1,003,729.44 = 455,160.12/x
  3. Step 3: Cross multiply
    726,982.36x = 1,003,729.44 × 455,160.12
  4. Step 4: Simplify right side
    726,982.36x = 456,857,612,357.93
  5. Step 5: Solve for x
    x = 456,857,612,357.93/726,982.36
  6. Step 6: Final answer
    x = 628,430.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.