Home / 655,402.23-983,485.46-276,299.75

Finding the Fourth Proportional to 655,402.23, 983,485.46 and 276,299.75

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Solution

The fourth proportional to 655,402.23, 983,485.46 and 276,299.75 is: 414,610.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,402.23 : 983,485.46 = 276,299.75 : x
  2. Step 2: Convert to fraction form
    655,402.23/983,485.46 = 276,299.75/x
  3. Step 3: Cross multiply
    655,402.23x = 983,485.46 × 276,299.75
  4. Step 4: Simplify right side
    655,402.23x = 271,736,789,876.10
  5. Step 5: Solve for x
    x = 271,736,789,876.10/655,402.23
  6. Step 6: Final answer
    x = 414,610.72

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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.