Home / 961,719.40-1,442,708.70-330,826.60

Finding the Fourth Proportional to 961,719.40, 1,442,708.70 and 330,826.60

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Solution

The fourth proportional to 961,719.40, 1,442,708.70 and 330,826.60 is: 496,284.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,719.40 : 1,442,708.70 = 330,826.60 : x
  2. Step 2: Convert to fraction form
    961,719.40/1,442,708.70 = 330,826.60/x
  3. Step 3: Cross multiply
    961,719.40x = 1,442,708.70 × 330,826.60
  4. Step 4: Simplify right side
    961,719.40x = 477,286,414,011.42
  5. Step 5: Solve for x
    x = 477,286,414,011.42/961,719.40
  6. Step 6: Final answer
    x = 496,284.48

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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.