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Finding the Fourth Proportional to 637,479.73, 879,725.24 and 365,557.87

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Solution

The fourth proportional to 637,479.73, 879,725.24 and 365,557.87 is: 504,471.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,479.73 : 879,725.24 = 365,557.87 : x
  2. Step 2: Convert to fraction form
    637,479.73/879,725.24 = 365,557.87/x
  3. Step 3: Cross multiply
    637,479.73x = 879,725.24 × 365,557.87
  4. Step 4: Simplify right side
    637,479.73x = 321,590,484,919.64
  5. Step 5: Solve for x
    x = 321,590,484,919.64/637,479.73
  6. Step 6: Final answer
    x = 504,471.70

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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.