Home / 949,620.39-1,310,660.57-719,776.77

Finding the Fourth Proportional to 949,620.39, 1,310,660.57 and 719,776.77

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Solution

The fourth proportional to 949,620.39, 1,310,660.57 and 719,776.77 is: 993,431.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,620.39 : 1,310,660.57 = 719,776.77 : x
  2. Step 2: Convert to fraction form
    949,620.39/1,310,660.57 = 719,776.77/x
  3. Step 3: Cross multiply
    949,620.39x = 1,310,660.57 × 719,776.77
  4. Step 4: Simplify right side
    949,620.39x = 943,383,028,525.42
  5. Step 5: Solve for x
    x = 943,383,028,525.42/949,620.39
  6. Step 6: Final answer
    x = 993,431.74

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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.