Home / 727,231.77-1,003,609.44-404,921.43

Finding the Fourth Proportional to 727,231.77, 1,003,609.44 and 404,921.43

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Solution

The fourth proportional to 727,231.77, 1,003,609.44 and 404,921.43 is: 558,808.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,231.77 : 1,003,609.44 = 404,921.43 : x
  2. Step 2: Convert to fraction form
    727,231.77/1,003,609.44 = 404,921.43/x
  3. Step 3: Cross multiply
    727,231.77x = 1,003,609.44 × 404,921.43
  4. Step 4: Simplify right side
    727,231.77x = 406,382,969,606.30
  5. Step 5: Solve for x
    x = 406,382,969,606.30/727,231.77
  6. Step 6: Final answer
    x = 558,808.05

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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.