Home / 653,915.82-902,375.03-382,008.94

Finding the Fourth Proportional to 653,915.82, 902,375.03 and 382,008.94

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Solution

The fourth proportional to 653,915.82, 902,375.03 and 382,008.94 is: 527,155.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,915.82 : 902,375.03 = 382,008.94 : x
  2. Step 2: Convert to fraction form
    653,915.82/902,375.03 = 382,008.94/x
  3. Step 3: Cross multiply
    653,915.82x = 902,375.03 × 382,008.94
  4. Step 4: Simplify right side
    653,915.82x = 344,715,328,692.77
  5. Step 5: Solve for x
    x = 344,715,328,692.77/653,915.82
  6. Step 6: Final answer
    x = 527,155.51

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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.