Home / 726,618.48-1,002,705.12-404,342.16

Finding the Fourth Proportional to 726,618.48, 1,002,705.12 and 404,342.16

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Solution

The fourth proportional to 726,618.48, 1,002,705.12 and 404,342.16 is: 557,976.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,618.48 : 1,002,705.12 = 404,342.16 : x
  2. Step 2: Convert to fraction form
    726,618.48/1,002,705.12 = 404,342.16/x
  3. Step 3: Cross multiply
    726,618.48x = 1,002,705.12 × 404,342.16
  4. Step 4: Simplify right side
    726,618.48x = 405,435,954,063.86
  5. Step 5: Solve for x
    x = 405,435,954,063.86/726,618.48
  6. Step 6: Final answer
    x = 557,976.39

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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.