Home / 646,566.45-892,289.39-360,086.55

Finding the Fourth Proportional to 646,566.45, 892,289.39 and 360,086.55

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Solution

The fourth proportional to 646,566.45, 892,289.39 and 360,086.55 is: 496,934.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,566.45 : 892,289.39 = 360,086.55 : x
  2. Step 2: Convert to fraction form
    646,566.45/892,289.39 = 360,086.55/x
  3. Step 3: Cross multiply
    646,566.45x = 892,289.39 × 360,086.55
  4. Step 4: Simplify right side
    646,566.45x = 321,301,408,046.70
  5. Step 5: Solve for x
    x = 321,301,408,046.70/646,566.45
  6. Step 6: Final answer
    x = 496,934.86

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Double scale
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1.5x scale

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.