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Finding the Fourth Proportional to 630,720.66, 946,205.60 and 231,364.89

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Solution

The fourth proportional to 630,720.66, 946,205.60 and 231,364.89 is: 347,093.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,720.66 : 946,205.60 = 231,364.89 : x
  2. Step 2: Convert to fraction form
    630,720.66/946,205.60 = 231,364.89/x
  3. Step 3: Cross multiply
    630,720.66x = 946,205.60 × 231,364.89
  4. Step 4: Simplify right side
    630,720.66x = 218,918,754,705.99
  5. Step 5: Solve for x
    x = 218,918,754,705.99/630,720.66
  6. Step 6: Final answer
    x = 347,093.05

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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.