Home / 775,309.76-1,162,986.48-214,344.24

Finding the Fourth Proportional to 775,309.76, 1,162,986.48 and 214,344.24

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Solution

The fourth proportional to 775,309.76, 1,162,986.48 and 214,344.24 is: 321,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,309.76 : 1,162,986.48 = 214,344.24 : x
  2. Step 2: Convert to fraction form
    775,309.76/1,162,986.48 = 214,344.24/x
  3. Step 3: Cross multiply
    775,309.76x = 1,162,986.48 × 214,344.24
  4. Step 4: Simplify right side
    775,309.76x = 249,279,453,185.88
  5. Step 5: Solve for x
    x = 249,279,453,185.88/775,309.76
  6. Step 6: Final answer
    x = 321,522.40

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Double scale
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Similar ratio
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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.