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Finding the Fourth Proportional to 600,682.38, 828,930.62 and 328,744.86

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Solution

The fourth proportional to 600,682.38, 828,930.62 and 328,744.86 is: 453,661.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,682.38 : 828,930.62 = 328,744.86 : x
  2. Step 2: Convert to fraction form
    600,682.38/828,930.62 = 328,744.86/x
  3. Step 3: Cross multiply
    600,682.38x = 828,930.62 × 328,744.86
  4. Step 4: Simplify right side
    600,682.38x = 272,506,678,977.89
  5. Step 5: Solve for x
    x = 272,506,678,977.89/600,682.38
  6. Step 6: Final answer
    x = 453,661.85

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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.