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Finding the Fourth Proportional to 630,806.84, 946,223.69 and 226,025.48

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Solution

The fourth proportional to 630,806.84, 946,223.69 and 226,025.48 is: 339,043.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,806.84 : 946,223.69 = 226,025.48 : x
  2. Step 2: Convert to fraction form
    630,806.84/946,223.69 = 226,025.48/x
  3. Step 3: Cross multiply
    630,806.84x = 946,223.69 × 226,025.48
  4. Step 4: Simplify right side
    630,806.84x = 213,870,657,858.38
  5. Step 5: Solve for x
    x = 213,870,657,858.38/630,806.84
  6. Step 6: Final answer
    x = 339,043.03

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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.