Home / 476,958.90-658,059.75-285,902.58

Finding the Fourth Proportional to 476,958.90, 658,059.75 and 285,902.58

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Solution

The fourth proportional to 476,958.90, 658,059.75 and 285,902.58 is: 394,459.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,958.90 : 658,059.75 = 285,902.58 : x
  2. Step 2: Convert to fraction form
    476,958.90/658,059.75 = 285,902.58/x
  3. Step 3: Cross multiply
    476,958.90x = 658,059.75 × 285,902.58
  4. Step 4: Simplify right side
    476,958.90x = 188,140,980,319.16
  5. Step 5: Solve for x
    x = 188,140,980,319.16/476,958.90
  6. Step 6: Final answer
    x = 394,459.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.