Home / 457,826.51-631,832.94-253,896.96

Finding the Fourth Proportional to 457,826.51, 631,832.94 and 253,896.96

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Solution

The fourth proportional to 457,826.51, 631,832.94 and 253,896.96 is: 350,395.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,826.51 : 631,832.94 = 253,896.96 : x
  2. Step 2: Convert to fraction form
    457,826.51/631,832.94 = 253,896.96/x
  3. Step 3: Cross multiply
    457,826.51x = 631,832.94 × 253,896.96
  4. Step 4: Simplify right side
    457,826.51x = 160,420,465,063.24
  5. Step 5: Solve for x
    x = 160,420,465,063.24/457,826.51
  6. Step 6: Final answer
    x = 350,395.75

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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.