Home / 770,059.32-1,062,255.22-447,733.78

Finding the Fourth Proportional to 770,059.32, 1,062,255.22 and 447,733.78

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Solution

The fourth proportional to 770,059.32, 1,062,255.22 and 447,733.78 is: 617,624.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,059.32 : 1,062,255.22 = 447,733.78 : x
  2. Step 2: Convert to fraction form
    770,059.32/1,062,255.22 = 447,733.78/x
  3. Step 3: Cross multiply
    770,059.32x = 1,062,255.22 × 447,733.78
  4. Step 4: Simplify right side
    770,059.32x = 475,607,544,975.33
  5. Step 5: Solve for x
    x = 475,607,544,975.33/770,059.32
  6. Step 6: Final answer
    x = 617,624.56

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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.