Home / 570,928.10-787,964.66-329,163.35

Finding the Fourth Proportional to 570,928.10, 787,964.66 and 329,163.35

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Solution

The fourth proportional to 570,928.10, 787,964.66 and 329,163.35 is: 454,293.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,928.10 : 787,964.66 = 329,163.35 : x
  2. Step 2: Convert to fraction form
    570,928.10/787,964.66 = 329,163.35/x
  3. Step 3: Cross multiply
    570,928.10x = 787,964.66 × 329,163.35
  4. Step 4: Simplify right side
    570,928.10x = 259,369,082,815.93
  5. Step 5: Solve for x
    x = 259,369,082,815.93/570,928.10
  6. Step 6: Final answer
    x = 454,293.78

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1.5x scale

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.