Home / 879,450.82-1,319,065.35-374,213.86

Finding the Fourth Proportional to 879,450.82, 1,319,065.35 and 374,213.86

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Solution

The fourth proportional to 879,450.82, 1,319,065.35 and 374,213.86 is: 561,273.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,450.82 : 1,319,065.35 = 374,213.86 : x
  2. Step 2: Convert to fraction form
    879,450.82/1,319,065.35 = 374,213.86/x
  3. Step 3: Cross multiply
    879,450.82x = 1,319,065.35 × 374,213.86
  4. Step 4: Simplify right side
    879,450.82x = 493,612,536,215.75
  5. Step 5: Solve for x
    x = 493,612,536,215.75/879,450.82
  6. Step 6: Final answer
    x = 561,273.61

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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.