Home / 780,310.17-1,170,465.26-219,344.67

Finding the Fourth Proportional to 780,310.17, 1,170,465.26 and 219,344.67

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Solution

The fourth proportional to 780,310.17, 1,170,465.26 and 219,344.67 is: 329,017.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,310.17 : 1,170,465.26 = 219,344.67 : x
  2. Step 2: Convert to fraction form
    780,310.17/1,170,465.26 = 219,344.67/x
  3. Step 3: Cross multiply
    780,310.17x = 1,170,465.26 × 219,344.67
  4. Step 4: Simplify right side
    780,310.17x = 256,735,315,104.44
  5. Step 5: Solve for x
    x = 256,735,315,104.44/780,310.17
  6. Step 6: Final answer
    x = 329,017.01

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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.