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Finding the Fourth Proportional to 630,333.06, 945,674.55 and 265,755.30

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Solution

The fourth proportional to 630,333.06, 945,674.55 and 265,755.30 is: 398,706.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,333.06 : 945,674.55 = 265,755.30 : x
  2. Step 2: Convert to fraction form
    630,333.06/945,674.55 = 265,755.30/x
  3. Step 3: Cross multiply
    630,333.06x = 945,674.55 × 265,755.30
  4. Step 4: Simplify right side
    630,333.06x = 251,318,023,737.62
  5. Step 5: Solve for x
    x = 251,318,023,737.62/630,333.06
  6. Step 6: Final answer
    x = 398,706.72

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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.