Home / 457,789.41-631,746.27-253,840.23

Finding the Fourth Proportional to 457,789.41, 631,746.27 and 253,840.23

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Solution

The fourth proportional to 457,789.41, 631,746.27 and 253,840.23 is: 350,297.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,789.41 : 631,746.27 = 253,840.23 : x
  2. Step 2: Convert to fraction form
    457,789.41/631,746.27 = 253,840.23/x
  3. Step 3: Cross multiply
    457,789.41x = 631,746.27 × 253,840.23
  4. Step 4: Simplify right side
    457,789.41x = 160,362,618,478.44
  5. Step 5: Solve for x
    x = 160,362,618,478.44/457,789.41
  6. Step 6: Final answer
    x = 350,297.79

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Find fourth proportional to 457,790.41, 631,747.65 and 253,841.23
Similar ratio
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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.