Home / 782,516.23-1,173,820.46-221,503.75

Finding the Fourth Proportional to 782,516.23, 1,173,820.46 and 221,503.75

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Solution

The fourth proportional to 782,516.23, 1,173,820.46 and 221,503.75 is: 332,268.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,516.23 : 1,173,820.46 = 221,503.75 : x
  2. Step 2: Convert to fraction form
    782,516.23/1,173,820.46 = 221,503.75/x
  3. Step 3: Cross multiply
    782,516.23x = 1,173,820.46 × 221,503.75
  4. Step 4: Simplify right side
    782,516.23x = 260,005,632,609.21
  5. Step 5: Solve for x
    x = 260,005,632,609.21/782,516.23
  6. Step 6: Final answer
    x = 332,268.68

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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.