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Finding the Fourth Proportional to 434,745.70, 652,118.55 and 374,611.30

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Solution

The fourth proportional to 434,745.70, 652,118.55 and 374,611.30 is: 561,916.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,745.70 : 652,118.55 = 374,611.30 : x
  2. Step 2: Convert to fraction form
    434,745.70/652,118.55 = 374,611.30/x
  3. Step 3: Cross multiply
    434,745.70x = 652,118.55 × 374,611.30
  4. Step 4: Simplify right side
    434,745.70x = 244,290,977,769.62
  5. Step 5: Solve for x
    x = 244,290,977,769.62/434,745.70
  6. Step 6: Final answer
    x = 561,916.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.