Home / 477,260.86-658,580.79-280,996.14

Finding the Fourth Proportional to 477,260.86, 658,580.79 and 280,996.14

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Solution

The fourth proportional to 477,260.86, 658,580.79 and 280,996.14 is: 387,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,260.86 : 658,580.79 = 280,996.14 : x
  2. Step 2: Convert to fraction form
    477,260.86/658,580.79 = 280,996.14/x
  3. Step 3: Cross multiply
    477,260.86x = 658,580.79 × 280,996.14
  4. Step 4: Simplify right side
    477,260.86x = 185,058,659,868.15
  5. Step 5: Solve for x
    x = 185,058,659,868.15/477,260.86
  6. Step 6: Final answer
    x = 387,751.60

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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.