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Finding the Fourth Proportional to 449,452.56, 620,244.48 and 258,461.76

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Solution

The fourth proportional to 449,452.56, 620,244.48 and 258,461.76 is: 356,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,452.56 : 620,244.48 = 258,461.76 : x
  2. Step 2: Convert to fraction form
    449,452.56/620,244.48 = 258,461.76/x
  3. Step 3: Cross multiply
    449,452.56x = 620,244.48 × 258,461.76
  4. Step 4: Simplify right side
    449,452.56x = 160,309,479,931.09
  5. Step 5: Solve for x
    x = 160,309,479,931.09/449,452.56
  6. Step 6: Final answer
    x = 356,677.20

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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.