Home / 839,291.17-1,259,308.89-439,836.97

Finding the Fourth Proportional to 839,291.17, 1,259,308.89 and 439,836.97

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Solution

The fourth proportional to 839,291.17, 1,259,308.89 and 439,836.97 is: 659,950.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,291.17 : 1,259,308.89 = 439,836.97 : x
  2. Step 2: Convert to fraction form
    839,291.17/1,259,308.89 = 439,836.97/x
  3. Step 3: Cross multiply
    839,291.17x = 1,259,308.89 × 439,836.97
  4. Step 4: Simplify right side
    839,291.17x = 553,890,606,471.66
  5. Step 5: Solve for x
    x = 553,890,606,471.66/839,291.17
  6. Step 6: Final answer
    x = 659,950.48

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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.