Home / 457,936.30-631,956.72-253,991.26

Finding the Fourth Proportional to 457,936.30, 631,956.72 and 253,991.26

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Solution

The fourth proportional to 457,936.30, 631,956.72 and 253,991.26 is: 350,510.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,936.30 : 631,956.72 = 253,991.26 : x
  2. Step 2: Convert to fraction form
    457,936.30/631,956.72 = 253,991.26/x
  3. Step 3: Cross multiply
    457,936.30x = 631,956.72 × 253,991.26
  4. Step 4: Simplify right side
    457,936.30x = 160,511,483,578.27
  5. Step 5: Solve for x
    x = 160,511,483,578.27/457,936.30
  6. Step 6: Final answer
    x = 350,510.50

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1.5x scale

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.