Home / 725,849.76-1,088,794.08-276,513.60

Finding the Fourth Proportional to 725,849.76, 1,088,794.08 and 276,513.60

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Solution

The fourth proportional to 725,849.76, 1,088,794.08 and 276,513.60 is: 414,777.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,849.76 : 1,088,794.08 = 276,513.60 : x
  2. Step 2: Convert to fraction form
    725,849.76/1,088,794.08 = 276,513.60/x
  3. Step 3: Cross multiply
    725,849.76x = 1,088,794.08 × 276,513.60
  4. Step 4: Simplify right side
    725,849.76x = 301,066,370,719.49
  5. Step 5: Solve for x
    x = 301,066,370,719.49/725,849.76
  6. Step 6: Final answer
    x = 414,777.81

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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.