Home / 814,024.82-1,221,213.56-245,358.35

Finding the Fourth Proportional to 814,024.82, 1,221,213.56 and 245,358.35

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Solution

The fourth proportional to 814,024.82, 1,221,213.56 and 245,358.35 is: 368,090.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,024.82 : 1,221,213.56 = 245,358.35 : x
  2. Step 2: Convert to fraction form
    814,024.82/1,221,213.56 = 245,358.35/x
  3. Step 3: Cross multiply
    814,024.82x = 1,221,213.56 × 245,358.35
  4. Step 4: Simplify right side
    814,024.82x = 299,634,942,706.06
  5. Step 5: Solve for x
    x = 299,634,942,706.06/814,024.82
  6. Step 6: Final answer
    x = 368,090.67

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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.