Home / 702,215.39-1,053,234.30-222,491.87

Finding the Fourth Proportional to 702,215.39, 1,053,234.30 and 222,491.87

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Solution

The fourth proportional to 702,215.39, 1,053,234.30 and 222,491.87 is: 333,709.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,215.39 : 1,053,234.30 = 222,491.87 : x
  2. Step 2: Convert to fraction form
    702,215.39/1,053,234.30 = 222,491.87/x
  3. Step 3: Cross multiply
    702,215.39x = 1,053,234.30 × 222,491.87
  4. Step 4: Simplify right side
    702,215.39x = 234,336,062,576.51
  5. Step 5: Solve for x
    x = 234,336,062,576.51/702,215.39
  6. Step 6: Final answer
    x = 333,709.67

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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.