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Finding the Fourth Proportional to 622,758.68, 934,269.24 and 202,001.76

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Solution

The fourth proportional to 622,758.68, 934,269.24 and 202,001.76 is: 303,045.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,758.68 : 934,269.24 = 202,001.76 : x
  2. Step 2: Convert to fraction form
    622,758.68/934,269.24 = 202,001.76/x
  3. Step 3: Cross multiply
    622,758.68x = 934,269.24 × 202,001.76
  4. Step 4: Simplify right side
    622,758.68x = 188,724,030,793.86
  5. Step 5: Solve for x
    x = 188,724,030,793.86/622,758.68
  6. Step 6: Final answer
    x = 303,045.20

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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.