Home / 703,642.60-1,055,131.26-254,276.20

Finding the Fourth Proportional to 703,642.60, 1,055,131.26 and 254,276.20

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Solution

The fourth proportional to 703,642.60, 1,055,131.26 and 254,276.20 is: 381,294.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,642.60 : 1,055,131.26 = 254,276.20 : x
  2. Step 2: Convert to fraction form
    703,642.60/1,055,131.26 = 254,276.20/x
  3. Step 3: Cross multiply
    703,642.60x = 1,055,131.26 × 254,276.20
  4. Step 4: Simplify right side
    703,642.60x = 268,294,767,294.01
  5. Step 5: Solve for x
    x = 268,294,767,294.01/703,642.60
  6. Step 6: Final answer
    x = 381,294.09

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.