Home / 850,518.18-1,275,801.88-219,432

Finding the Fourth Proportional to 850,518.18, 1,275,801.88 and 219,432

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Solution

The fourth proportional to 850,518.18, 1,275,801.88 and 219,432 is: 329,154.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,518.18 : 1,275,801.88 = 219,432 : x
  2. Step 2: Convert to fraction form
    850,518.18/1,275,801.88 = 219,432/x
  3. Step 3: Cross multiply
    850,518.18x = 1,275,801.88 × 219,432
  4. Step 4: Simplify right side
    850,518.18x = 279,951,758,132.16
  5. Step 5: Solve for x
    x = 279,951,758,132.16/850,518.18
  6. Step 6: Final answer
    x = 329,154.35

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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.