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Finding the Fourth Proportional to 637,671.74, 879,958.61 and 365,544.54

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Solution

The fourth proportional to 637,671.74, 879,958.61 and 365,544.54 is: 504,435.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,671.74 : 879,958.61 = 365,544.54 : x
  2. Step 2: Convert to fraction form
    637,671.74/879,958.61 = 365,544.54/x
  3. Step 3: Cross multiply
    637,671.74x = 879,958.61 × 365,544.54
  4. Step 4: Simplify right side
    637,671.74x = 321,664,065,311.49
  5. Step 5: Solve for x
    x = 321,664,065,311.49/637,671.74
  6. Step 6: Final answer
    x = 504,435.19

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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.