Home / 843,193.84-1,163,999.64-498,921.52

Finding the Fourth Proportional to 843,193.84, 1,163,999.64 and 498,921.52

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Solution

The fourth proportional to 843,193.84, 1,163,999.64 and 498,921.52 is: 688,743.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,193.84 : 1,163,999.64 = 498,921.52 : x
  2. Step 2: Convert to fraction form
    843,193.84/1,163,999.64 = 498,921.52/x
  3. Step 3: Cross multiply
    843,193.84x = 1,163,999.64 × 498,921.52
  4. Step 4: Simplify right side
    843,193.84x = 580,744,469,668.25
  5. Step 5: Solve for x
    x = 580,744,469,668.25/843,193.84
  6. Step 6: Final answer
    x = 688,743.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.