Home / 646,736.62-892,524.14-360,256.90

Finding the Fourth Proportional to 646,736.62, 892,524.14 and 360,256.90

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Solution

The fourth proportional to 646,736.62, 892,524.14 and 360,256.90 is: 497,169.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,736.62 : 892,524.14 = 360,256.90 : x
  2. Step 2: Convert to fraction form
    646,736.62/892,524.14 = 360,256.90/x
  3. Step 3: Cross multiply
    646,736.62x = 892,524.14 × 360,256.90
  4. Step 4: Simplify right side
    646,736.62x = 321,537,978,050.28
  5. Step 5: Solve for x
    x = 321,537,978,050.28/646,736.62
  6. Step 6: Final answer
    x = 497,169.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.