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Finding the Fourth Proportional to 637,522.50, 879,781.08 and 351,041.88

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Solution

The fourth proportional to 637,522.50, 879,781.08 and 351,041.88 is: 484,437.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,522.50 : 879,781.08 = 351,041.88 : x
  2. Step 2: Convert to fraction form
    637,522.50/879,781.08 = 351,041.88/x
  3. Step 3: Cross multiply
    637,522.50x = 879,781.08 × 351,041.88
  4. Step 4: Simplify right side
    637,522.50x = 308,840,004,311.63
  5. Step 5: Solve for x
    x = 308,840,004,311.63/637,522.50
  6. Step 6: Final answer
    x = 484,437.81

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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.