Home / 725,980.32-1,089,086.64-252,800.16

Finding the Fourth Proportional to 725,980.32, 1,089,086.64 and 252,800.16

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Solution

The fourth proportional to 725,980.32, 1,089,086.64 and 252,800.16 is: 379,240.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,980.32 : 1,089,086.64 = 252,800.16 : x
  2. Step 2: Convert to fraction form
    725,980.32/1,089,086.64 = 252,800.16/x
  3. Step 3: Cross multiply
    725,980.32x = 1,089,086.64 × 252,800.16
  4. Step 4: Simplify right side
    725,980.32x = 275,321,276,845.86
  5. Step 5: Solve for x
    x = 275,321,276,845.86/725,980.32
  6. Step 6: Final answer
    x = 379,240.69

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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.