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Finding the Fourth Proportional to 637,554, 879,824.52 and 351,073.40

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Solution

The fourth proportional to 637,554, 879,824.52 and 351,073.40 is: 484,481.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,554 : 879,824.52 = 351,073.40 : x
  2. Step 2: Convert to fraction form
    637,554/879,824.52 = 351,073.40/x
  3. Step 3: Cross multiply
    637,554x = 879,824.52 × 351,073.40
  4. Step 4: Simplify right side
    637,554x = 308,882,985,639.77
  5. Step 5: Solve for x
    x = 308,882,985,639.77/637,554
  6. Step 6: Final answer
    x = 484,481.29

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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.