Home / 850,313.60-1,275,543.82-219,222.08

Finding the Fourth Proportional to 850,313.60, 1,275,543.82 and 219,222.08

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Solution

The fourth proportional to 850,313.60, 1,275,543.82 and 219,222.08 is: 328,852.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,313.60 : 1,275,543.82 = 219,222.08 : x
  2. Step 2: Convert to fraction form
    850,313.60/1,275,543.82 = 219,222.08/x
  3. Step 3: Cross multiply
    850,313.60x = 1,275,543.82 × 219,222.08
  4. Step 4: Simplify right side
    850,313.60x = 279,627,369,351.55
  5. Step 5: Solve for x
    x = 279,627,369,351.55/850,313.60
  6. Step 6: Final answer
    x = 328,852.05

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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.