Home / 774,301.14-1,161,394.25-325,003.86

Finding the Fourth Proportional to 774,301.14, 1,161,394.25 and 325,003.86

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Solution

The fourth proportional to 774,301.14, 1,161,394.25 and 325,003.86 is: 487,481.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,301.14 : 1,161,394.25 = 325,003.86 : x
  2. Step 2: Convert to fraction form
    774,301.14/1,161,394.25 = 325,003.86/x
  3. Step 3: Cross multiply
    774,301.14x = 1,161,394.25 × 325,003.86
  4. Step 4: Simplify right side
    774,301.14x = 377,457,612,606.79
  5. Step 5: Solve for x
    x = 377,457,612,606.79/774,301.14
  6. Step 6: Final answer
    x = 487,481.67

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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.