Home / 810,553.76-1,214,834.04-454,820.39

Finding the Fourth Proportional to 810,553.76, 1,214,834.04 and 454,820.39

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Solution

The fourth proportional to 810,553.76, 1,214,834.04 and 454,820.39 is: 681,671.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,553.76 : 1,214,834.04 = 454,820.39 : x
  2. Step 2: Convert to fraction form
    810,553.76/1,214,834.04 = 454,820.39/x
  3. Step 3: Cross multiply
    810,553.76x = 1,214,834.04 × 454,820.39
  4. Step 4: Simplify right side
    810,553.76x = 552,531,285,783.91
  5. Step 5: Solve for x
    x = 552,531,285,783.91/810,553.76
  6. Step 6: Final answer
    x = 681,671.37

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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.