Home / 770,952.21-1,063,926.66-422,086.80

Finding the Fourth Proportional to 770,952.21, 1,063,926.66 and 422,086.80

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Solution

The fourth proportional to 770,952.21, 1,063,926.66 and 422,086.80 is: 582,486.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,952.21 : 1,063,926.66 = 422,086.80 : x
  2. Step 2: Convert to fraction form
    770,952.21/1,063,926.66 = 422,086.80/x
  3. Step 3: Cross multiply
    770,952.21x = 1,063,926.66 × 422,086.80
  4. Step 4: Simplify right side
    770,952.21x = 449,069,399,354.09
  5. Step 5: Solve for x
    x = 449,069,399,354.09/770,952.21
  6. Step 6: Final answer
    x = 582,486.69

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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.