Home / 722,993.88-1,083,304.98-512,255.64

Finding the Fourth Proportional to 722,993.88, 1,083,304.98 and 512,255.64

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Solution

The fourth proportional to 722,993.88, 1,083,304.98 and 512,255.64 is: 767,543.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,993.88 : 1,083,304.98 = 512,255.64 : x
  2. Step 2: Convert to fraction form
    722,993.88/1,083,304.98 = 512,255.64/x
  3. Step 3: Cross multiply
    722,993.88x = 1,083,304.98 × 512,255.64
  4. Step 4: Simplify right side
    722,993.88x = 554,929,085,845.09
  5. Step 5: Solve for x
    x = 554,929,085,845.09/722,993.88
  6. Step 6: Final answer
    x = 767,543.27

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1.5x scale

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.