Home / 979,721.64-1,469,637.24-305,896.02

Finding the Fourth Proportional to 979,721.64, 1,469,637.24 and 305,896.02

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Solution

The fourth proportional to 979,721.64, 1,469,637.24 and 305,896.02 is: 458,861.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,721.64 : 1,469,637.24 = 305,896.02 : x
  2. Step 2: Convert to fraction form
    979,721.64/1,469,637.24 = 305,896.02/x
  3. Step 3: Cross multiply
    979,721.64x = 1,469,637.24 × 305,896.02
  4. Step 4: Simplify right side
    979,721.64x = 449,556,182,559.79
  5. Step 5: Solve for x
    x = 449,556,182,559.79/979,721.64
  6. Step 6: Final answer
    x = 458,861.13

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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.