Home / 692,884.76-1,039,356.06-219,559.64

Finding the Fourth Proportional to 692,884.76, 1,039,356.06 and 219,559.64

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Solution

The fourth proportional to 692,884.76, 1,039,356.06 and 219,559.64 is: 329,348.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,884.76 : 1,039,356.06 = 219,559.64 : x
  2. Step 2: Convert to fraction form
    692,884.76/1,039,356.06 = 219,559.64/x
  3. Step 3: Cross multiply
    692,884.76x = 1,039,356.06 × 219,559.64
  4. Step 4: Simplify right side
    692,884.76x = 228,200,642,365.42
  5. Step 5: Solve for x
    x = 228,200,642,365.42/692,884.76
  6. Step 6: Final answer
    x = 329,348.62

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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.