Home / 722,990.88-1,083,300.48-512,252.64

Finding the Fourth Proportional to 722,990.88, 1,083,300.48 and 512,252.64

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Solution

The fourth proportional to 722,990.88, 1,083,300.48 and 512,252.64 is: 767,538.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,990.88 : 1,083,300.48 = 512,252.64 : x
  2. Step 2: Convert to fraction form
    722,990.88/1,083,300.48 = 512,252.64/x
  3. Step 3: Cross multiply
    722,990.88x = 1,083,300.48 × 512,252.64
  4. Step 4: Simplify right side
    722,990.88x = 554,923,530,793.27
  5. Step 5: Solve for x
    x = 554,923,530,793.27/722,990.88
  6. Step 6: Final answer
    x = 767,538.77

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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.