Home / 830,819.88-1,246,452.98-262,222.97

Finding the Fourth Proportional to 830,819.88, 1,246,452.98 and 262,222.97

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Solution

The fourth proportional to 830,819.88, 1,246,452.98 and 262,222.97 is: 393,404.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,819.88 : 1,246,452.98 = 262,222.97 : x
  2. Step 2: Convert to fraction form
    830,819.88/1,246,452.98 = 262,222.97/x
  3. Step 3: Cross multiply
    830,819.88x = 1,246,452.98 × 262,222.97
  4. Step 4: Simplify right side
    830,819.88x = 326,848,594,837.57
  5. Step 5: Solve for x
    x = 326,848,594,837.57/830,819.88
  6. Step 6: Final answer
    x = 393,404.88

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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.