Home / 465,821.72-698,732.73-145,998.41

Finding the Fourth Proportional to 465,821.72, 698,732.73 and 145,998.41

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Solution

The fourth proportional to 465,821.72, 698,732.73 and 145,998.41 is: 218,997.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,821.72 : 698,732.73 = 145,998.41 : x
  2. Step 2: Convert to fraction form
    465,821.72/698,732.73 = 145,998.41/x
  3. Step 3: Cross multiply
    465,821.72x = 698,732.73 × 145,998.41
  4. Step 4: Simplify right side
    465,821.72x = 102,013,864,101.30
  5. Step 5: Solve for x
    x = 102,013,864,101.30/465,821.72
  6. Step 6: Final answer
    x = 218,997.66

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1.5x scale

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.