Home / 813,415.48-1,220,127.54-244,792.67

Finding the Fourth Proportional to 813,415.48, 1,220,127.54 and 244,792.67

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Solution

The fourth proportional to 813,415.48, 1,220,127.54 and 244,792.67 is: 367,190.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,415.48 : 1,220,127.54 = 244,792.67 : x
  2. Step 2: Convert to fraction form
    813,415.48/1,220,127.54 = 244,792.67/x
  3. Step 3: Cross multiply
    813,415.48x = 1,220,127.54 × 244,792.67
  4. Step 4: Simplify right side
    813,415.48x = 298,678,278,257.13
  5. Step 5: Solve for x
    x = 298,678,278,257.13/813,415.48
  6. Step 6: Final answer
    x = 367,190.31

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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.