Home / 839,323.22-1,259,356.61-439,868.58

Finding the Fourth Proportional to 839,323.22, 1,259,356.61 and 439,868.58

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Solution

The fourth proportional to 839,323.22, 1,259,356.61 and 439,868.58 is: 659,997.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,323.22 : 1,259,356.61 = 439,868.58 : x
  2. Step 2: Convert to fraction form
    839,323.22/1,259,356.61 = 439,868.58/x
  3. Step 3: Cross multiply
    839,323.22x = 1,259,356.61 × 439,868.58
  4. Step 4: Simplify right side
    839,323.22x = 553,951,400,131.40
  5. Step 5: Solve for x
    x = 553,951,400,131.40/839,323.22
  6. Step 6: Final answer
    x = 659,997.71

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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.