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Finding the Fourth Proportional to 630,517.38, 946,012.68 and 377,977.82

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Solution

The fourth proportional to 630,517.38, 946,012.68 and 377,977.82 is: 567,108.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,517.38 : 946,012.68 = 377,977.82 : x
  2. Step 2: Convert to fraction form
    630,517.38/946,012.68 = 377,977.82/x
  3. Step 3: Cross multiply
    630,517.38x = 946,012.68 × 377,977.82
  4. Step 4: Simplify right side
    630,517.38x = 357,571,805,748.69
  5. Step 5: Solve for x
    x = 357,571,805,748.69/630,517.38
  6. Step 6: Final answer
    x = 567,108.56

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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.