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Finding the Fourth Proportional to 630,003.69, 945,231.06 and 270,023.49

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Solution

The fourth proportional to 630,003.69, 945,231.06 and 270,023.49 is: 405,131.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,003.69 : 945,231.06 = 270,023.49 : x
  2. Step 2: Convert to fraction form
    630,003.69/945,231.06 = 270,023.49/x
  3. Step 3: Cross multiply
    630,003.69x = 945,231.06 × 270,023.49
  4. Step 4: Simplify right side
    630,003.69x = 255,234,589,677.60
  5. Step 5: Solve for x
    x = 255,234,589,677.60/630,003.69
  6. Step 6: Final answer
    x = 405,131.90

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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.