Home / 646,584.91-892,287.20-360,104.98

Finding the Fourth Proportional to 646,584.91, 892,287.20 and 360,104.98

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Solution

The fourth proportional to 646,584.91, 892,287.20 and 360,104.98 is: 496,944.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,584.91 : 892,287.20 = 360,104.98 : x
  2. Step 2: Convert to fraction form
    646,584.91/892,287.20 = 360,104.98/x
  3. Step 3: Cross multiply
    646,584.91x = 892,287.20 × 360,104.98
  4. Step 4: Simplify right side
    646,584.91x = 321,317,064,310.26
  5. Step 5: Solve for x
    x = 321,317,064,310.26/646,584.91
  6. Step 6: Final answer
    x = 496,944.89

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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.