Home / 658,821.96-909,174.60-357,015.96

Finding the Fourth Proportional to 658,821.96, 909,174.60 and 357,015.96

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Solution

The fourth proportional to 658,821.96, 909,174.60 and 357,015.96 is: 492,682.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,821.96 : 909,174.60 = 357,015.96 : x
  2. Step 2: Convert to fraction form
    658,821.96/909,174.60 = 357,015.96/x
  3. Step 3: Cross multiply
    658,821.96x = 909,174.60 × 357,015.96
  4. Step 4: Simplify right side
    658,821.96x = 324,589,842,626.62
  5. Step 5: Solve for x
    x = 324,589,842,626.62/658,821.96
  6. Step 6: Final answer
    x = 492,682.18

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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.