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Finding the Fourth Proportional to 564,674.41, 779,028.43 and 322,827.04

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Solution

The fourth proportional to 564,674.41, 779,028.43 and 322,827.04 is: 445,374.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,674.41 : 779,028.43 = 322,827.04 : x
  2. Step 2: Convert to fraction form
    564,674.41/779,028.43 = 322,827.04/x
  3. Step 3: Cross multiply
    564,674.41x = 779,028.43 × 322,827.04
  4. Step 4: Simplify right side
    564,674.41x = 251,491,439,378.11
  5. Step 5: Solve for x
    x = 251,491,439,378.11/564,674.41
  6. Step 6: Final answer
    x = 445,374.25

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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.