Home / 751,039.70-1,126,736.76-245,598.72

Finding the Fourth Proportional to 751,039.70, 1,126,736.76 and 245,598.72

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Solution

The fourth proportional to 751,039.70, 1,126,736.76 and 245,598.72 is: 368,456.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,039.70 : 1,126,736.76 = 245,598.72 : x
  2. Step 2: Convert to fraction form
    751,039.70/1,126,736.76 = 245,598.72/x
  3. Step 3: Cross multiply
    751,039.70x = 1,126,736.76 × 245,598.72
  4. Step 4: Simplify right side
    751,039.70x = 276,725,100,399.26
  5. Step 5: Solve for x
    x = 276,725,100,399.26/751,039.70
  6. Step 6: Final answer
    x = 368,456.02

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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.