Home / 646,566.76-892,228.26-360,081.64

Finding the Fourth Proportional to 646,566.76, 892,228.26 and 360,081.64

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Solution

The fourth proportional to 646,566.76, 892,228.26 and 360,081.64 is: 496,893.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,566.76 : 892,228.26 = 360,081.64 : x
  2. Step 2: Convert to fraction form
    646,566.76/892,228.26 = 360,081.64/x
  3. Step 3: Cross multiply
    646,566.76x = 892,228.26 × 360,081.64
  4. Step 4: Simplify right side
    646,566.76x = 321,275,015,115.15
  5. Step 5: Solve for x
    x = 321,275,015,115.15/646,566.76
  6. Step 6: Final answer
    x = 496,893.80

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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.