Home / 741,078.45-1,022,688.45-401,546.70

Finding the Fourth Proportional to 741,078.45, 1,022,688.45 and 401,546.70

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Solution

The fourth proportional to 741,078.45, 1,022,688.45 and 401,546.70 is: 554,134.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,078.45 : 1,022,688.45 = 401,546.70 : x
  2. Step 2: Convert to fraction form
    741,078.45/1,022,688.45 = 401,546.70/x
  3. Step 3: Cross multiply
    741,078.45x = 1,022,688.45 × 401,546.70
  4. Step 4: Simplify right side
    741,078.45x = 410,657,172,225.62
  5. Step 5: Solve for x
    x = 410,657,172,225.62/741,078.45
  6. Step 6: Final answer
    x = 554,134.55

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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.