Home / 741,085.76-1,022,701.92-401,553.92

Finding the Fourth Proportional to 741,085.76, 1,022,701.92 and 401,553.92

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Solution

The fourth proportional to 741,085.76, 1,022,701.92 and 401,553.92 is: 554,146.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,085.76 : 1,022,701.92 = 401,553.92 : x
  2. Step 2: Convert to fraction form
    741,085.76/1,022,701.92 = 401,553.92/x
  3. Step 3: Cross multiply
    741,085.76x = 1,022,701.92 × 401,553.92
  4. Step 4: Simplify right side
    741,085.76x = 410,669,964,967.53
  5. Step 5: Solve for x
    x = 410,669,964,967.53/741,085.76
  6. Step 6: Final answer
    x = 554,146.34

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Double scale
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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.