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Finding the Fourth Proportional to 630,213.42, 945,740.52 and 326,887.14

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Solution

The fourth proportional to 630,213.42, 945,740.52 and 326,887.14 is: 490,548.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,213.42 : 945,740.52 = 326,887.14 : x
  2. Step 2: Convert to fraction form
    630,213.42/945,740.52 = 326,887.14/x
  3. Step 3: Cross multiply
    630,213.42x = 945,740.52 × 326,887.14
  4. Step 4: Simplify right side
    630,213.42x = 309,150,413,764.91
  5. Step 5: Solve for x
    x = 309,150,413,764.91/630,213.42
  6. Step 6: Final answer
    x = 490,548.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.