Home / 770,212.25-1,062,811.09-425,993.50

Finding the Fourth Proportional to 770,212.25, 1,062,811.09 and 425,993.50

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Solution

The fourth proportional to 770,212.25, 1,062,811.09 and 425,993.50 is: 587,825.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,212.25 : 1,062,811.09 = 425,993.50 : x
  2. Step 2: Convert to fraction form
    770,212.25/1,062,811.09 = 425,993.50/x
  3. Step 3: Cross multiply
    770,212.25x = 1,062,811.09 × 425,993.50
  4. Step 4: Simplify right side
    770,212.25x = 452,750,616,067.92
  5. Step 5: Solve for x
    x = 452,750,616,067.92/770,212.25
  6. Step 6: Final answer
    x = 587,825.78

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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.