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Finding the Fourth Proportional to 637,978.24, 880,429.92 and 366,095.92

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Solution

The fourth proportional to 637,978.24, 880,429.92 and 366,095.92 is: 505,223.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,978.24 : 880,429.92 = 366,095.92 : x
  2. Step 2: Convert to fraction form
    637,978.24/880,429.92 = 366,095.92/x
  3. Step 3: Cross multiply
    637,978.24x = 880,429.92 × 366,095.92
  4. Step 4: Simplify right side
    637,978.24x = 322,321,801,557.93
  5. Step 5: Solve for x
    x = 322,321,801,557.93/637,978.24
  6. Step 6: Final answer
    x = 505,223.82

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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.