Home / 457,845.96-631,815.45-253,896.36

Finding the Fourth Proportional to 457,845.96, 631,815.45 and 253,896.36

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Solution

The fourth proportional to 457,845.96, 631,815.45 and 253,896.36 is: 350,370.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,845.96 : 631,815.45 = 253,896.36 : x
  2. Step 2: Convert to fraction form
    457,845.96/631,815.45 = 253,896.36/x
  3. Step 3: Cross multiply
    457,845.96x = 631,815.45 × 253,896.36
  4. Step 4: Simplify right side
    457,845.96x = 160,415,642,946.76
  5. Step 5: Solve for x
    x = 160,415,642,946.76/457,845.96
  6. Step 6: Final answer
    x = 350,370.34

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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.