Home / 678,125.52-1,017,194.76-204,829.56

Finding the Fourth Proportional to 678,125.52, 1,017,194.76 and 204,829.56

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Solution

The fourth proportional to 678,125.52, 1,017,194.76 and 204,829.56 is: 307,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,125.52 : 1,017,194.76 = 204,829.56 : x
  2. Step 2: Convert to fraction form
    678,125.52/1,017,194.76 = 204,829.56/x
  3. Step 3: Cross multiply
    678,125.52x = 1,017,194.76 × 204,829.56
  4. Step 4: Simplify right side
    678,125.52x = 208,351,555,125.11
  5. Step 5: Solve for x
    x = 208,351,555,125.11/678,125.52
  6. Step 6: Final answer
    x = 307,246.30

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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.