Home / 719,974.88-1,080,137.27-221,338.88

Finding the Fourth Proportional to 719,974.88, 1,080,137.27 and 221,338.88

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Solution

The fourth proportional to 719,974.88, 1,080,137.27 and 221,338.88 is: 332,062.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,974.88 : 1,080,137.27 = 221,338.88 : x
  2. Step 2: Convert to fraction form
    719,974.88/1,080,137.27 = 221,338.88/x
  3. Step 3: Cross multiply
    719,974.88x = 1,080,137.27 × 221,338.88
  4. Step 4: Simplify right side
    719,974.88x = 239,076,368,740.72
  5. Step 5: Solve for x
    x = 239,076,368,740.72/719,974.88
  6. Step 6: Final answer
    x = 332,062.10

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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.