Home / 770,949.14-1,063,892.94-422,088.82

Finding the Fourth Proportional to 770,949.14, 1,063,892.94 and 422,088.82

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Solution

The fourth proportional to 770,949.14, 1,063,892.94 and 422,088.82 is: 582,473.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,949.14 : 1,063,892.94 = 422,088.82 : x
  2. Step 2: Convert to fraction form
    770,949.14/1,063,892.94 = 422,088.82/x
  3. Step 3: Cross multiply
    770,949.14x = 1,063,892.94 × 422,088.82
  4. Step 4: Simplify right side
    770,949.14x = 449,057,315,650.93
  5. Step 5: Solve for x
    x = 449,057,315,650.93/770,949.14
  6. Step 6: Final answer
    x = 582,473.33

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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.