Home / 741,071.59-1,022,682.32-401,539.75

Finding the Fourth Proportional to 741,071.59, 1,022,682.32 and 401,539.75

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Solution

The fourth proportional to 741,071.59, 1,022,682.32 and 401,539.75 is: 554,126.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,071.59 : 1,022,682.32 = 401,539.75 : x
  2. Step 2: Convert to fraction form
    741,071.59/1,022,682.32 = 401,539.75/x
  3. Step 3: Cross multiply
    741,071.59x = 1,022,682.32 × 401,539.75
  4. Step 4: Simplify right side
    741,071.59x = 410,647,601,094.52
  5. Step 5: Solve for x
    x = 410,647,601,094.52/741,071.59
  6. Step 6: Final answer
    x = 554,126.76

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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.