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Finding the Fourth Proportional to 637,256.67, 879,311.30 and 365,274.51

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Solution

The fourth proportional to 637,256.67, 879,311.30 and 365,274.51 is: 504,019.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,256.67 : 879,311.30 = 365,274.51 : x
  2. Step 2: Convert to fraction form
    637,256.67/879,311.30 = 365,274.51/x
  3. Step 3: Cross multiply
    637,256.67x = 879,311.30 × 365,274.51
  4. Step 4: Simplify right side
    637,256.67x = 321,190,002,418.59
  5. Step 5: Solve for x
    x = 321,190,002,418.59/637,256.67
  6. Step 6: Final answer
    x = 504,019.84

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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.