Home / 726,873.92-1,003,085.90-404,577.06

Finding the Fourth Proportional to 726,873.92, 1,003,085.90 and 404,577.06

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Solution

The fourth proportional to 726,873.92, 1,003,085.90 and 404,577.06 is: 558,316.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,873.92 : 1,003,085.90 = 404,577.06 : x
  2. Step 2: Convert to fraction form
    726,873.92/1,003,085.90 = 404,577.06/x
  3. Step 3: Cross multiply
    726,873.92x = 1,003,085.90 × 404,577.06
  4. Step 4: Simplify right side
    726,873.92x = 405,825,544,349.45
  5. Step 5: Solve for x
    x = 405,825,544,349.45/726,873.92
  6. Step 6: Final answer
    x = 558,316.28

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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.