Home / 741,119.08-1,022,745.90-401,587.42

Finding the Fourth Proportional to 741,119.08, 1,022,745.90 and 401,587.42

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Solution

The fourth proportional to 741,119.08, 1,022,745.90 and 401,587.42 is: 554,191.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,119.08 : 1,022,745.90 = 401,587.42 : x
  2. Step 2: Convert to fraction form
    741,119.08/1,022,745.90 = 401,587.42/x
  3. Step 3: Cross multiply
    741,119.08x = 1,022,745.90 × 401,587.42
  4. Step 4: Simplify right side
    741,119.08x = 410,721,887,296.58
  5. Step 5: Solve for x
    x = 410,721,887,296.58/741,119.08
  6. Step 6: Final answer
    x = 554,191.49

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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.