Home / 477,207.46-658,558.88-259,430.78

Finding the Fourth Proportional to 477,207.46, 658,558.88 and 259,430.78

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Solution

The fourth proportional to 477,207.46, 658,558.88 and 259,430.78 is: 358,021.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,207.46 : 658,558.88 = 259,430.78 : x
  2. Step 2: Convert to fraction form
    477,207.46/658,558.88 = 259,430.78/x
  3. Step 3: Cross multiply
    477,207.46x = 658,558.88 × 259,430.78
  4. Step 4: Simplify right side
    477,207.46x = 170,850,443,914.33
  5. Step 5: Solve for x
    x = 170,850,443,914.33/477,207.46
  6. Step 6: Final answer
    x = 358,021.32

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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.