Home / 827,832.48-1,247,280.48-747,963.28

Finding the Fourth Proportional to 827,832.48, 1,247,280.48 and 747,963.28

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Solution

The fourth proportional to 827,832.48, 1,247,280.48 and 747,963.28 is: 1,126,942.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,832.48 : 1,247,280.48 = 747,963.28 : x
  2. Step 2: Convert to fraction form
    827,832.48/1,247,280.48 = 747,963.28/x
  3. Step 3: Cross multiply
    827,832.48x = 1,247,280.48 × 747,963.28
  4. Step 4: Simplify right side
    827,832.48x = 932,919,998,900.77
  5. Step 5: Solve for x
    x = 932,919,998,900.77/827,832.48
  6. Step 6: Final answer
    x = 1,126,942.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.