Home / 880,707.75-1,321,061.67-215,859.75

Finding the Fourth Proportional to 880,707.75, 1,321,061.67 and 215,859.75

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Solution

The fourth proportional to 880,707.75, 1,321,061.67 and 215,859.75 is: 323,789.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,707.75 : 1,321,061.67 = 215,859.75 : x
  2. Step 2: Convert to fraction form
    880,707.75/1,321,061.67 = 215,859.75/x
  3. Step 3: Cross multiply
    880,707.75x = 1,321,061.67 × 215,859.75
  4. Step 4: Simplify right side
    880,707.75x = 285,164,041,820.78
  5. Step 5: Solve for x
    x = 285,164,041,820.78/880,707.75
  6. Step 6: Final answer
    x = 323,789.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.