Home / 439,622.85-658,400.88-214,277.07

Finding the Fourth Proportional to 439,622.85, 658,400.88 and 214,277.07

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Solution

The fourth proportional to 439,622.85, 658,400.88 and 214,277.07 is: 320,911.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,622.85 : 658,400.88 = 214,277.07 : x
  2. Step 2: Convert to fraction form
    439,622.85/658,400.88 = 214,277.07/x
  3. Step 3: Cross multiply
    439,622.85x = 658,400.88 × 214,277.07
  4. Step 4: Simplify right side
    439,622.85x = 141,080,211,451.82
  5. Step 5: Solve for x
    x = 141,080,211,451.82/439,622.85
  6. Step 6: Final answer
    x = 320,911.92

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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.