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Finding the Fourth Proportional to 637,768.50, 880,043.85 and 365,822.34

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Solution

The fourth proportional to 637,768.50, 880,043.85 and 365,822.34 is: 504,790.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,768.50 : 880,043.85 = 365,822.34 : x
  2. Step 2: Convert to fraction form
    637,768.50/880,043.85 = 365,822.34/x
  3. Step 3: Cross multiply
    637,768.50x = 880,043.85 × 365,822.34
  4. Step 4: Simplify right side
    637,768.50x = 321,939,700,509.61
  5. Step 5: Solve for x
    x = 321,939,700,509.61/637,768.50
  6. Step 6: Final answer
    x = 504,790.85

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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.