Home / 726,055.02-1,001,879.19-403,713.09

Finding the Fourth Proportional to 726,055.02, 1,001,879.19 and 403,713.09

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Solution

The fourth proportional to 726,055.02, 1,001,879.19 and 403,713.09 is: 557,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,055.02 : 1,001,879.19 = 403,713.09 : x
  2. Step 2: Convert to fraction form
    726,055.02/1,001,879.19 = 403,713.09/x
  3. Step 3: Cross multiply
    726,055.02x = 1,001,879.19 × 403,713.09
  4. Step 4: Simplify right side
    726,055.02x = 404,471,743,601.60
  5. Step 5: Solve for x
    x = 404,471,743,601.60/726,055.02
  6. Step 6: Final answer
    x = 557,081.40

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1.5x scale

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.