Home / 807,392.39-1,211,082.48-208,302.62

Finding the Fourth Proportional to 807,392.39, 1,211,082.48 and 208,302.62

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Solution

The fourth proportional to 807,392.39, 1,211,082.48 and 208,302.62 is: 312,452.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,392.39 : 1,211,082.48 = 208,302.62 : x
  2. Step 2: Convert to fraction form
    807,392.39/1,211,082.48 = 208,302.62/x
  3. Step 3: Cross multiply
    807,392.39x = 1,211,082.48 × 208,302.62
  4. Step 4: Simplify right side
    807,392.39x = 252,271,647,564.69
  5. Step 5: Solve for x
    x = 252,271,647,564.69/807,392.39
  6. Step 6: Final answer
    x = 312,452.35

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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.