Home / 779,453.82-1,168,238.97-379,495.26

Finding the Fourth Proportional to 779,453.82, 1,168,238.97 and 379,495.26

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Solution

The fourth proportional to 779,453.82, 1,168,238.97 and 379,495.26 is: 568,784.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,453.82 : 1,168,238.97 = 379,495.26 : x
  2. Step 2: Convert to fraction form
    779,453.82/1,168,238.97 = 379,495.26/x
  3. Step 3: Cross multiply
    779,453.82x = 1,168,238.97 × 379,495.26
  4. Step 4: Simplify right side
    779,453.82x = 443,341,151,662.28
  5. Step 5: Solve for x
    x = 443,341,151,662.28/779,453.82
  6. Step 6: Final answer
    x = 568,784.37

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Double scale
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Similar ratio
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1.5x scale

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.