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Finding the Fourth Proportional to 655,371.69, 983,439.63 and 276,269.19

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Solution

The fourth proportional to 655,371.69, 983,439.63 and 276,269.19 is: 414,564.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,371.69 : 983,439.63 = 276,269.19 : x
  2. Step 2: Convert to fraction form
    655,371.69/983,439.63 = 276,269.19/x
  3. Step 3: Cross multiply
    655,371.69x = 983,439.63 × 276,269.19
  4. Step 4: Simplify right side
    655,371.69x = 271,694,069,994.00
  5. Step 5: Solve for x
    x = 271,694,069,994.00/655,371.69
  6. Step 6: Final answer
    x = 414,564.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.