Home / 770,571.24-1,063,468.32-443,895.60

Finding the Fourth Proportional to 770,571.24, 1,063,468.32 and 443,895.60

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Solution

The fourth proportional to 770,571.24, 1,063,468.32 and 443,895.60 is: 612,622.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,571.24 : 1,063,468.32 = 443,895.60 : x
  2. Step 2: Convert to fraction form
    770,571.24/1,063,468.32 = 443,895.60/x
  3. Step 3: Cross multiply
    770,571.24x = 1,063,468.32 × 443,895.60
  4. Step 4: Simplify right side
    770,571.24x = 472,068,907,987.39
  5. Step 5: Solve for x
    x = 472,068,907,987.39/770,571.24
  6. Step 6: Final answer
    x = 612,622.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.