Home / 850,304.52-1,275,636.69-281,653.41

Finding the Fourth Proportional to 850,304.52, 1,275,636.69 and 281,653.41

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Solution

The fourth proportional to 850,304.52, 1,275,636.69 and 281,653.41 is: 422,539.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,304.52 : 1,275,636.69 = 281,653.41 : x
  2. Step 2: Convert to fraction form
    850,304.52/1,275,636.69 = 281,653.41/x
  3. Step 3: Cross multiply
    850,304.52x = 1,275,636.69 × 281,653.41
  4. Step 4: Simplify right side
    850,304.52x = 359,287,423,659.61
  5. Step 5: Solve for x
    x = 359,287,423,659.61/850,304.52
  6. Step 6: Final answer
    x = 422,539.71

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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.