Home / 839,719.80-1,259,579.70-503,796.60

Finding the Fourth Proportional to 839,719.80, 1,259,579.70 and 503,796.60

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Solution

The fourth proportional to 839,719.80, 1,259,579.70 and 503,796.60 is: 755,694.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,719.80 : 1,259,579.70 = 503,796.60 : x
  2. Step 2: Convert to fraction form
    839,719.80/1,259,579.70 = 503,796.60/x
  3. Step 3: Cross multiply
    839,719.80x = 1,259,579.70 × 503,796.60
  4. Step 4: Simplify right side
    839,719.80x = 634,571,970,289.02
  5. Step 5: Solve for x
    x = 634,571,970,289.02/839,719.80
  6. Step 6: Final answer
    x = 755,694.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.