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Finding the Fourth Proportional to 554,006.33, 764,589.49 and 321,484.49

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Solution

The fourth proportional to 554,006.33, 764,589.49 and 321,484.49 is: 443,683.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,006.33 : 764,589.49 = 321,484.49 : x
  2. Step 2: Convert to fraction form
    554,006.33/764,589.49 = 321,484.49/x
  3. Step 3: Cross multiply
    554,006.33x = 764,589.49 × 321,484.49
  4. Step 4: Simplify right side
    554,006.33x = 245,803,663,359.77
  5. Step 5: Solve for x
    x = 245,803,663,359.77/554,006.33
  6. Step 6: Final answer
    x = 443,683.85

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