Home / 438,922.07-658,401.39-214,014.63

Finding the Fourth Proportional to 438,922.07, 658,401.39 and 214,014.63

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Solution

The fourth proportional to 438,922.07, 658,401.39 and 214,014.63 is: 321,030.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,922.07 : 658,401.39 = 214,014.63 : x
  2. Step 2: Convert to fraction form
    438,922.07/658,401.39 = 214,014.63/x
  3. Step 3: Cross multiply
    438,922.07x = 658,401.39 × 214,014.63
  4. Step 4: Simplify right side
    438,922.07x = 140,907,529,872.34
  5. Step 5: Solve for x
    x = 140,907,529,872.34/438,922.07
  6. Step 6: Final answer
    x = 321,030.86

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1.5x scale

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.