Home / 1,097,046.86-1,645,613.40-338,820.78

Finding the Fourth Proportional to 1,097,046.86, 1,645,613.40 and 338,820.78

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Solution

The fourth proportional to 1,097,046.86, 1,645,613.40 and 338,820.78 is: 508,244.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,046.86 : 1,645,613.40 = 338,820.78 : x
  2. Step 2: Convert to fraction form
    1,097,046.86/1,645,613.40 = 338,820.78/x
  3. Step 3: Cross multiply
    1,097,046.86x = 1,645,613.40 × 338,820.78
  4. Step 4: Simplify right side
    1,097,046.86x = 557,568,015,766.45
  5. Step 5: Solve for x
    x = 557,568,015,766.45/1,097,046.86
  6. Step 6: Final answer
    x = 508,244.48

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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.