Home / 777,908.20-1,166,718.30-216,826.60

Finding the Fourth Proportional to 777,908.20, 1,166,718.30 and 216,826.60

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Solution

The fourth proportional to 777,908.20, 1,166,718.30 and 216,826.60 is: 325,199.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,908.20 : 1,166,718.30 = 216,826.60 : x
  2. Step 2: Convert to fraction form
    777,908.20/1,166,718.30 = 216,826.60/x
  3. Step 3: Cross multiply
    777,908.20x = 1,166,718.30 × 216,826.60
  4. Step 4: Simplify right side
    777,908.20x = 252,975,562,146.78
  5. Step 5: Solve for x
    x = 252,975,562,146.78/777,908.20
  6. Step 6: Final answer
    x = 325,199.76

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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.