Home / 477,669.22-658,903.57-305,524.37

Finding the Fourth Proportional to 477,669.22, 658,903.57 and 305,524.37

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Solution

The fourth proportional to 477,669.22, 658,903.57 and 305,524.37 is: 421,444.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,669.22 : 658,903.57 = 305,524.37 : x
  2. Step 2: Convert to fraction form
    477,669.22/658,903.57 = 305,524.37/x
  3. Step 3: Cross multiply
    477,669.22x = 658,903.57 × 305,524.37
  4. Step 4: Simplify right side
    477,669.22x = 201,311,098,998.45
  5. Step 5: Solve for x
    x = 201,311,098,998.45/477,669.22
  6. Step 6: Final answer
    x = 421,444.57

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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.