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Finding the Fourth Proportional to 637,505.48, 879,776.92 and 351,035.82

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Solution

The fourth proportional to 637,505.48, 879,776.92 and 351,035.82 is: 484,440.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,505.48 : 879,776.92 = 351,035.82 : x
  2. Step 2: Convert to fraction form
    637,505.48/879,776.92 = 351,035.82/x
  3. Step 3: Cross multiply
    637,505.48x = 879,776.92 × 351,035.82
  4. Step 4: Simplify right side
    637,505.48x = 308,833,211,651.69
  5. Step 5: Solve for x
    x = 308,833,211,651.69/637,505.48
  6. Step 6: Final answer
    x = 484,440.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.