Home / 477,160.45-658,489.63-262,309.57

Finding the Fourth Proportional to 477,160.45, 658,489.63 and 262,309.57

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Solution

The fourth proportional to 477,160.45, 658,489.63 and 262,309.57 is: 361,991.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,160.45 : 658,489.63 = 262,309.57 : x
  2. Step 2: Convert to fraction form
    477,160.45/658,489.63 = 262,309.57/x
  3. Step 3: Cross multiply
    477,160.45x = 658,489.63 × 262,309.57
  4. Step 4: Simplify right side
    477,160.45x = 172,728,131,694.76
  5. Step 5: Solve for x
    x = 172,728,131,694.76/477,160.45
  6. Step 6: Final answer
    x = 361,991.72

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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.