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Finding the Fourth Proportional to 654,337.38, 980,806.23 and 298,818.66

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Solution

The fourth proportional to 654,337.38, 980,806.23 and 298,818.66 is: 447,908.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,337.38 : 980,806.23 = 298,818.66 : x
  2. Step 2: Convert to fraction form
    654,337.38/980,806.23 = 298,818.66/x
  3. Step 3: Cross multiply
    654,337.38x = 980,806.23 × 298,818.66
  4. Step 4: Simplify right side
    654,337.38x = 293,083,203,368.25
  5. Step 5: Solve for x
    x = 293,083,203,368.25/654,337.38
  6. Step 6: Final answer
    x = 447,908.39

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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.