Home / 851,716.46-1,277,574.64-220,630.26

Finding the Fourth Proportional to 851,716.46, 1,277,574.64 and 220,630.26

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Solution

The fourth proportional to 851,716.46, 1,277,574.64 and 220,630.26 is: 330,945.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,716.46 : 1,277,574.64 = 220,630.26 : x
  2. Step 2: Convert to fraction form
    851,716.46/1,277,574.64 = 220,630.26/x
  3. Step 3: Cross multiply
    851,716.46x = 1,277,574.64 × 220,630.26
  4. Step 4: Simplify right side
    851,716.46x = 281,871,624,992.61
  5. Step 5: Solve for x
    x = 281,871,624,992.61/851,716.46
  6. Step 6: Final answer
    x = 330,945.38

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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.