Home / 839,292.42-1,259,310.77-439,838.22

Finding the Fourth Proportional to 839,292.42, 1,259,310.77 and 439,838.22

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Solution

The fourth proportional to 839,292.42, 1,259,310.77 and 439,838.22 is: 659,952.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,292.42 : 1,259,310.77 = 439,838.22 : x
  2. Step 2: Convert to fraction form
    839,292.42/1,259,310.77 = 439,838.22/x
  3. Step 3: Cross multiply
    839,292.42x = 1,259,310.77 × 439,838.22
  4. Step 4: Simplify right side
    839,292.42x = 553,893,005,304.44
  5. Step 5: Solve for x
    x = 553,893,005,304.44/839,292.42
  6. Step 6: Final answer
    x = 659,952.35

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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.