Home / 383,847.30-576,462.15-371,405.70

Finding the Fourth Proportional to 383,847.30, 576,462.15 and 371,405.70

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Solution

The fourth proportional to 383,847.30, 576,462.15 and 371,405.70 is: 557,777.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,847.30 : 576,462.15 = 371,405.70 : x
  2. Step 2: Convert to fraction form
    383,847.30/576,462.15 = 371,405.70/x
  3. Step 3: Cross multiply
    383,847.30x = 576,462.15 × 371,405.70
  4. Step 4: Simplify right side
    383,847.30x = 214,101,328,344.26
  5. Step 5: Solve for x
    x = 214,101,328,344.26/383,847.30
  6. Step 6: Final answer
    x = 557,777.35

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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.