Home / 496,867.28-685,653.96-270,512.08

Finding the Fourth Proportional to 496,867.28, 685,653.96 and 270,512.08

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Solution

The fourth proportional to 496,867.28, 685,653.96 and 270,512.08 is: 373,294.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,867.28 : 685,653.96 = 270,512.08 : x
  2. Step 2: Convert to fraction form
    496,867.28/685,653.96 = 270,512.08/x
  3. Step 3: Cross multiply
    496,867.28x = 685,653.96 × 270,512.08
  4. Step 4: Simplify right side
    496,867.28x = 185,477,678,879.84
  5. Step 5: Solve for x
    x = 185,477,678,879.84/496,867.28
  6. Step 6: Final answer
    x = 373,294.21

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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.