Home / 871,844.52-1,305,159.66-533,821.80

Finding the Fourth Proportional to 871,844.52, 1,305,159.66 and 533,821.80

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Solution

The fourth proportional to 871,844.52, 1,305,159.66 and 533,821.80 is: 799,136.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,844.52 : 1,305,159.66 = 533,821.80 : x
  2. Step 2: Convert to fraction form
    871,844.52/1,305,159.66 = 533,821.80/x
  3. Step 3: Cross multiply
    871,844.52x = 1,305,159.66 × 533,821.80
  4. Step 4: Simplify right side
    871,844.52x = 696,722,678,988.59
  5. Step 5: Solve for x
    x = 696,722,678,988.59/871,844.52
  6. Step 6: Final answer
    x = 799,136.39

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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.