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Finding the Fourth Proportional to 600,369.32, 828,516.19 and 328,431.37

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Solution

The fourth proportional to 600,369.32, 828,516.19 and 328,431.37 is: 453,238.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,369.32 : 828,516.19 = 328,431.37 : x
  2. Step 2: Convert to fraction form
    600,369.32/828,516.19 = 328,431.37/x
  3. Step 3: Cross multiply
    600,369.32x = 828,516.19 × 328,431.37
  4. Step 4: Simplify right side
    600,369.32x = 272,110,707,348.88
  5. Step 5: Solve for x
    x = 272,110,707,348.88/600,369.32
  6. Step 6: Final answer
    x = 453,238.86

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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.