Home / 775,403.52-1,162,890.24-214,394.88

Finding the Fourth Proportional to 775,403.52, 1,162,890.24 and 214,394.88

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Solution

The fourth proportional to 775,403.52, 1,162,890.24 and 214,394.88 is: 321,532.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,403.52 : 1,162,890.24 = 214,394.88 : x
  2. Step 2: Convert to fraction form
    775,403.52/1,162,890.24 = 214,394.88/x
  3. Step 3: Cross multiply
    775,403.52x = 1,162,890.24 × 214,394.88
  4. Step 4: Simplify right side
    775,403.52x = 249,317,713,457.97
  5. Step 5: Solve for x
    x = 249,317,713,457.97/775,403.52
  6. Step 6: Final answer
    x = 321,532.86

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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.