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Finding the Fourth Proportional to 655,399.23, 983,480.97 and 276,296.76

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Solution

The fourth proportional to 655,399.23, 983,480.97 and 276,296.76 is: 414,606.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,399.23 : 983,480.97 = 276,296.76 : x
  2. Step 2: Convert to fraction form
    655,399.23/983,480.97 = 276,296.76/x
  3. Step 3: Cross multiply
    655,399.23x = 983,480.97 × 276,296.76
  4. Step 4: Simplify right side
    655,399.23x = 271,732,605,532.66
  5. Step 5: Solve for x
    x = 271,732,605,532.66/655,399.23
  6. Step 6: Final answer
    x = 414,606.23

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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.