Home / 850,447.88-1,275,639.86-210,753.48

Finding the Fourth Proportional to 850,447.88, 1,275,639.86 and 210,753.48

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Solution

The fourth proportional to 850,447.88, 1,275,639.86 and 210,753.48 is: 316,122.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,447.88 : 1,275,639.86 = 210,753.48 : x
  2. Step 2: Convert to fraction form
    850,447.88/1,275,639.86 = 210,753.48/x
  3. Step 3: Cross multiply
    850,447.88x = 1,275,639.86 × 210,753.48
  4. Step 4: Simplify right side
    850,447.88x = 268,845,539,721.71
  5. Step 5: Solve for x
    x = 268,845,539,721.71/850,447.88
  6. Step 6: Final answer
    x = 316,122.30

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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.