Home / 646,625.44-892,370.80-360,145.60

Finding the Fourth Proportional to 646,625.44, 892,370.80 and 360,145.60

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Solution

The fourth proportional to 646,625.44, 892,370.80 and 360,145.60 is: 497,016.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,625.44 : 892,370.80 = 360,145.60 : x
  2. Step 2: Convert to fraction form
    646,625.44/892,370.80 = 360,145.60/x
  3. Step 3: Cross multiply
    646,625.44x = 892,370.80 × 360,145.60
  4. Step 4: Simplify right side
    646,625.44x = 321,383,417,188.48
  5. Step 5: Solve for x
    x = 321,383,417,188.48/646,625.44
  6. Step 6: Final answer
    x = 497,016.35

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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.