Home / 868,996.84-1,199,289.46-487,097.44

Finding the Fourth Proportional to 868,996.84, 1,199,289.46 and 487,097.44

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Solution

The fourth proportional to 868,996.84, 1,199,289.46 and 487,097.44 is: 672,235.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,996.84 : 1,199,289.46 = 487,097.44 : x
  2. Step 2: Convert to fraction form
    868,996.84/1,199,289.46 = 487,097.44/x
  3. Step 3: Cross multiply
    868,996.84x = 1,199,289.46 × 487,097.44
  4. Step 4: Simplify right side
    868,996.84x = 584,170,825,784.98
  5. Step 5: Solve for x
    x = 584,170,825,784.98/868,996.84
  6. Step 6: Final answer
    x = 672,235.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.