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Finding the Fourth Proportional to 564,692.28, 779,183.40 and 322,935.96

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Solution

The fourth proportional to 564,692.28, 779,183.40 and 322,935.96 is: 445,599.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,692.28 : 779,183.40 = 322,935.96 : x
  2. Step 2: Convert to fraction form
    564,692.28/779,183.40 = 322,935.96/x
  3. Step 3: Cross multiply
    564,692.28x = 779,183.40 × 322,935.96
  4. Step 4: Simplify right side
    564,692.28x = 251,626,339,295.06
  5. Step 5: Solve for x
    x = 251,626,339,295.06/564,692.28
  6. Step 6: Final answer
    x = 445,599.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.