Home / 766,599.60-1,057,914.54-422,447.82

Finding the Fourth Proportional to 766,599.60, 1,057,914.54 and 422,447.82

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Solution

The fourth proportional to 766,599.60, 1,057,914.54 and 422,447.82 is: 582,981.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,599.60 : 1,057,914.54 = 422,447.82 : x
  2. Step 2: Convert to fraction form
    766,599.60/1,057,914.54 = 422,447.82/x
  3. Step 3: Cross multiply
    766,599.60x = 1,057,914.54 × 422,447.82
  4. Step 4: Simplify right side
    766,599.60x = 446,913,691,169.30
  5. Step 5: Solve for x
    x = 446,913,691,169.30/766,599.60
  6. Step 6: Final answer
    x = 582,981.90

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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.