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Finding the Fourth Proportional to 630,882.67, 946,473.17 and 204,417.79

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Solution

The fourth proportional to 630,882.67, 946,473.17 and 204,417.79 is: 306,675.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,882.67 : 946,473.17 = 204,417.79 : x
  2. Step 2: Convert to fraction form
    630,882.67/946,473.17 = 204,417.79/x
  3. Step 3: Cross multiply
    630,882.67x = 946,473.17 × 204,417.79
  4. Step 4: Simplify right side
    630,882.67x = 193,475,953,705.69
  5. Step 5: Solve for x
    x = 193,475,953,705.69/630,882.67
  6. Step 6: Final answer
    x = 306,675.02

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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.