Home / 727,496.96-1,003,991.68-409,565.44

Finding the Fourth Proportional to 727,496.96, 1,003,991.68 and 409,565.44

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Solution

The fourth proportional to 727,496.96, 1,003,991.68 and 409,565.44 is: 565,226.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,496.96 : 1,003,991.68 = 409,565.44 : x
  2. Step 2: Convert to fraction form
    727,496.96/1,003,991.68 = 409,565.44/x
  3. Step 3: Cross multiply
    727,496.96x = 1,003,991.68 × 409,565.44
  4. Step 4: Simplify right side
    727,496.96x = 411,200,294,175.54
  5. Step 5: Solve for x
    x = 411,200,294,175.54/727,496.96
  6. Step 6: Final answer
    x = 565,226.13

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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.