Home / 770,956.71-1,063,932.87-422,091.30

Finding the Fourth Proportional to 770,956.71, 1,063,932.87 and 422,091.30

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Solution

The fourth proportional to 770,956.71, 1,063,932.87 and 422,091.30 is: 582,492.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,956.71 : 1,063,932.87 = 422,091.30 : x
  2. Step 2: Convert to fraction form
    770,956.71/1,063,932.87 = 422,091.30/x
  3. Step 3: Cross multiply
    770,956.71x = 1,063,932.87 × 422,091.30
  4. Step 4: Simplify right side
    770,956.71x = 449,076,808,211.03
  5. Step 5: Solve for x
    x = 449,076,808,211.03/770,956.71
  6. Step 6: Final answer
    x = 582,492.90

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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.