Home / 413,222.70-619,766.01-386,324.22

Finding the Fourth Proportional to 413,222.70, 619,766.01 and 386,324.22

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Solution

The fourth proportional to 413,222.70, 619,766.01 and 386,324.22 is: 579,422.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,222.70 : 619,766.01 = 386,324.22 : x
  2. Step 2: Convert to fraction form
    413,222.70/619,766.01 = 386,324.22/x
  3. Step 3: Cross multiply
    413,222.70x = 619,766.01 × 386,324.22
  4. Step 4: Simplify right side
    413,222.70x = 239,430,620,395.76
  5. Step 5: Solve for x
    x = 239,430,620,395.76/413,222.70
  6. Step 6: Final answer
    x = 579,422.72

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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.