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Finding the Fourth Proportional to 637,704.98, 880,072.82 and 351,225

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Solution

The fourth proportional to 637,704.98, 880,072.82 and 351,225 is: 484,712.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,704.98 : 880,072.82 = 351,225 : x
  2. Step 2: Convert to fraction form
    637,704.98/880,072.82 = 351,225/x
  3. Step 3: Cross multiply
    637,704.98x = 880,072.82 × 351,225
  4. Step 4: Simplify right side
    637,704.98x = 309,103,576,204.50
  5. Step 5: Solve for x
    x = 309,103,576,204.50/637,704.98
  6. Step 6: Final answer
    x = 484,712.50

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1.5x scale

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.