Home / 457,020.53-630,680.58-253,067.07

Finding the Fourth Proportional to 457,020.53, 630,680.58 and 253,067.07

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Solution

The fourth proportional to 457,020.53, 630,680.58 and 253,067.07 is: 349,228.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,020.53 : 630,680.58 = 253,067.07 : x
  2. Step 2: Convert to fraction form
    457,020.53/630,680.58 = 253,067.07/x
  3. Step 3: Cross multiply
    457,020.53x = 630,680.58 × 253,067.07
  4. Step 4: Simplify right side
    457,020.53x = 159,604,485,303.98
  5. Step 5: Solve for x
    x = 159,604,485,303.98/457,020.53
  6. Step 6: Final answer
    x = 349,228.26

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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.