Home / 477,037.12-658,327.07-280,768.02

Finding the Fourth Proportional to 477,037.12, 658,327.07 and 280,768.02

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Solution

The fourth proportional to 477,037.12, 658,327.07 and 280,768.02 is: 387,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,037.12 : 658,327.07 = 280,768.02 : x
  2. Step 2: Convert to fraction form
    477,037.12/658,327.07 = 280,768.02/x
  3. Step 3: Cross multiply
    477,037.12x = 658,327.07 × 280,768.02
  4. Step 4: Simplify right side
    477,037.12x = 184,837,189,192.94
  5. Step 5: Solve for x
    x = 184,837,189,192.94/477,037.12
  6. Step 6: Final answer
    x = 387,469.20

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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.