Home / 839,488.62-1,259,603.91-440,033.88

Finding the Fourth Proportional to 839,488.62, 1,259,603.91 and 440,033.88

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Solution

The fourth proportional to 839,488.62, 1,259,603.91 and 440,033.88 is: 660,245.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,488.62 : 1,259,603.91 = 440,033.88 : x
  2. Step 2: Convert to fraction form
    839,488.62/1,259,603.91 = 440,033.88/x
  3. Step 3: Cross multiply
    839,488.62x = 1,259,603.91 × 440,033.88
  4. Step 4: Simplify right side
    839,488.62x = 554,268,395,780.47
  5. Step 5: Solve for x
    x = 554,268,395,780.47/839,488.62
  6. Step 6: Final answer
    x = 660,245.28

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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.