Home / 658,629.96-908,910.30-356,823.96

Finding the Fourth Proportional to 658,629.96, 908,910.30 and 356,823.96

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Solution

The fourth proportional to 658,629.96, 908,910.30 and 356,823.96 is: 492,417.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,629.96 : 908,910.30 = 356,823.96 : x
  2. Step 2: Convert to fraction form
    658,629.96/908,910.30 = 356,823.96/x
  3. Step 3: Cross multiply
    658,629.96x = 908,910.30 × 356,823.96
  4. Step 4: Simplify right side
    658,629.96x = 324,320,972,530.79
  5. Step 5: Solve for x
    x = 324,320,972,530.79/658,629.96
  6. Step 6: Final answer
    x = 492,417.58

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1.5x scale

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.