Home / 942,717.64-1,300,947.92-512,997.64

Finding the Fourth Proportional to 942,717.64, 1,300,947.92 and 512,997.64

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Solution

The fourth proportional to 942,717.64, 1,300,947.92 and 512,997.64 is: 707,935.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,717.64 : 1,300,947.92 = 512,997.64 : x
  2. Step 2: Convert to fraction form
    942,717.64/1,300,947.92 = 512,997.64/x
  3. Step 3: Cross multiply
    942,717.64x = 1,300,947.92 × 512,997.64
  4. Step 4: Simplify right side
    942,717.64x = 667,383,212,722.91
  5. Step 5: Solve for x
    x = 667,383,212,722.91/942,717.64
  6. Step 6: Final answer
    x = 707,935.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.