Home / 457,042.42-630,720.03-250,310.98

Finding the Fourth Proportional to 457,042.42, 630,720.03 and 250,310.98

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Solution

The fourth proportional to 457,042.42, 630,720.03 and 250,310.98 is: 345,429.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,042.42 : 630,720.03 = 250,310.98 : x
  2. Step 2: Convert to fraction form
    457,042.42/630,720.03 = 250,310.98/x
  3. Step 3: Cross multiply
    457,042.42x = 630,720.03 × 250,310.98
  4. Step 4: Simplify right side
    457,042.42x = 157,876,148,814.93
  5. Step 5: Solve for x
    x = 157,876,148,814.93/457,042.42
  6. Step 6: Final answer
    x = 345,429.97

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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.