Home / 741,021.60-1,022,610.78-401,489.58

Finding the Fourth Proportional to 741,021.60, 1,022,610.78 and 401,489.58

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Solution

The fourth proportional to 741,021.60, 1,022,610.78 and 401,489.58 is: 554,056.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,021.60 : 1,022,610.78 = 401,489.58 : x
  2. Step 2: Convert to fraction form
    741,021.60/1,022,610.78 = 401,489.58/x
  3. Step 3: Cross multiply
    741,021.60x = 1,022,610.78 × 401,489.58
  4. Step 4: Simplify right side
    741,021.60x = 410,567,572,565.67
  5. Step 5: Solve for x
    x = 410,567,572,565.67/741,021.60
  6. Step 6: Final answer
    x = 554,056.15

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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.