Home / 836,120.13-1,254,388.51-245,144.13

Finding the Fourth Proportional to 836,120.13, 1,254,388.51 and 245,144.13

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Solution

The fourth proportional to 836,120.13, 1,254,388.51 and 245,144.13 is: 367,777.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,120.13 : 1,254,388.51 = 245,144.13 : x
  2. Step 2: Convert to fraction form
    836,120.13/1,254,388.51 = 245,144.13/x
  3. Step 3: Cross multiply
    836,120.13x = 1,254,388.51 × 245,144.13
  4. Step 4: Simplify right side
    836,120.13x = 307,505,979,965.95
  5. Step 5: Solve for x
    x = 307,505,979,965.95/836,120.13
  6. Step 6: Final answer
    x = 367,777.27

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Double scale
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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.