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Finding the Fourth Proportional to 637,974.48, 880,441.50 and 366,039.86

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Solution

The fourth proportional to 637,974.48, 880,441.50 and 366,039.86 is: 505,156.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,974.48 : 880,441.50 = 366,039.86 : x
  2. Step 2: Convert to fraction form
    637,974.48/880,441.50 = 366,039.86/x
  3. Step 3: Cross multiply
    637,974.48x = 880,441.50 × 366,039.86
  4. Step 4: Simplify right side
    637,974.48x = 322,276,681,567.99
  5. Step 5: Solve for x
    x = 322,276,681,567.99/637,974.48
  6. Step 6: Final answer
    x = 505,156.07

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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.