Home / 814,504.11-1,221,931.67-245,837.67

Finding the Fourth Proportional to 814,504.11, 1,221,931.67 and 245,837.67

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Solution

The fourth proportional to 814,504.11, 1,221,931.67 and 245,837.67 is: 368,809.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,504.11 : 1,221,931.67 = 245,837.67 : x
  2. Step 2: Convert to fraction form
    814,504.11/1,221,931.67 = 245,837.67/x
  3. Step 3: Cross multiply
    814,504.11x = 1,221,931.67 × 245,837.67
  4. Step 4: Simplify right side
    814,504.11x = 300,396,833,422.82
  5. Step 5: Solve for x
    x = 300,396,833,422.82/814,504.11
  6. Step 6: Final answer
    x = 368,809.48

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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.