Home / 726,039.02-1,001,857.13-403,697.09

Finding the Fourth Proportional to 726,039.02, 1,001,857.13 and 403,697.09

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Solution

The fourth proportional to 726,039.02, 1,001,857.13 and 403,697.09 is: 557,059.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,039.02 : 1,001,857.13 = 403,697.09 : x
  2. Step 2: Convert to fraction form
    726,039.02/1,001,857.13 = 403,697.09/x
  3. Step 3: Cross multiply
    726,039.02x = 1,001,857.13 × 403,697.09
  4. Step 4: Simplify right side
    726,039.02x = 404,446,807,976.75
  5. Step 5: Solve for x
    x = 404,446,807,976.75/726,039.02
  6. Step 6: Final answer
    x = 557,059.33

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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.