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Finding the Fourth Proportional to 448,432.10, 618,193.32 and 352,772.72

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Solution

The fourth proportional to 448,432.10, 618,193.32 and 352,772.72 is: 486,320.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,432.10 : 618,193.32 = 352,772.72 : x
  2. Step 2: Convert to fraction form
    448,432.10/618,193.32 = 352,772.72/x
  3. Step 3: Cross multiply
    448,432.10x = 618,193.32 × 352,772.72
  4. Step 4: Simplify right side
    448,432.10x = 218,081,738,982.23
  5. Step 5: Solve for x
    x = 218,081,738,982.23/448,432.10
  6. Step 6: Final answer
    x = 486,320.54

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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.