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Finding the Fourth Proportional to 637,550, 879,855.83 and 365,615.72

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Solution

The fourth proportional to 637,550, 879,855.83 and 365,615.72 is: 504,570.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,550 : 879,855.83 = 365,615.72 : x
  2. Step 2: Convert to fraction form
    637,550/879,855.83 = 365,615.72/x
  3. Step 3: Cross multiply
    637,550x = 879,855.83 × 365,615.72
  4. Step 4: Simplify right side
    637,550x = 321,689,122,781.65
  5. Step 5: Solve for x
    x = 321,689,122,781.65/637,550
  6. Step 6: Final answer
    x = 504,570.81

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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.