Home / 850,518.70-1,275,802.64-219,432.50

Finding the Fourth Proportional to 850,518.70, 1,275,802.64 and 219,432.50

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Solution

The fourth proportional to 850,518.70, 1,275,802.64 and 219,432.50 is: 329,155.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,518.70 : 1,275,802.64 = 219,432.50 : x
  2. Step 2: Convert to fraction form
    850,518.70/1,275,802.64 = 219,432.50/x
  3. Step 3: Cross multiply
    850,518.70x = 1,275,802.64 × 219,432.50
  4. Step 4: Simplify right side
    850,518.70x = 279,952,562,801.80
  5. Step 5: Solve for x
    x = 279,952,562,801.80/850,518.70
  6. Step 6: Final answer
    x = 329,155.09

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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.