Home / 821,272.05-1,231,908.08-732,798.45

Finding the Fourth Proportional to 821,272.05, 1,231,908.08 and 732,798.45

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Solution

The fourth proportional to 821,272.05, 1,231,908.08 and 732,798.45 is: 1,099,197.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,272.05 : 1,231,908.08 = 732,798.45 : x
  2. Step 2: Convert to fraction form
    821,272.05/1,231,908.08 = 732,798.45/x
  3. Step 3: Cross multiply
    821,272.05x = 1,231,908.08 × 732,798.45
  4. Step 4: Simplify right side
    821,272.05x = 902,740,327,902.48
  5. Step 5: Solve for x
    x = 902,740,327,902.48/821,272.05
  6. Step 6: Final answer
    x = 1,099,197.68

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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.