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Finding the Fourth Proportional to 622,384.60, 869,472.20 and 622,384.60

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Solution

The fourth proportional to 622,384.60, 869,472.20 and 622,384.60 is: 869,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,384.60 : 869,472.20 = 622,384.60 : x
  2. Step 2: Convert to fraction form
    622,384.60/869,472.20 = 622,384.60/x
  3. Step 3: Cross multiply
    622,384.60x = 869,472.20 × 622,384.60
  4. Step 4: Simplify right side
    622,384.60x = 541,146,107,408.12
  5. Step 5: Solve for x
    x = 541,146,107,408.12/622,384.60
  6. Step 6: Final answer
    x = 869,472.20

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.