Home / 741,103.83-1,022,695.88-401,564.79

Finding the Fourth Proportional to 741,103.83, 1,022,695.88 and 401,564.79

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Solution

The fourth proportional to 741,103.83, 1,022,695.88 and 401,564.79 is: 554,144.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,103.83 : 1,022,695.88 = 401,564.79 : x
  2. Step 2: Convert to fraction form
    741,103.83/1,022,695.88 = 401,564.79/x
  3. Step 3: Cross multiply
    741,103.83x = 1,022,695.88 × 401,564.79
  4. Step 4: Simplify right side
    741,103.83x = 410,678,654,278.24
  5. Step 5: Solve for x
    x = 410,678,654,278.24/741,103.83
  6. Step 6: Final answer
    x = 554,144.56

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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.