Home / 646,291.44-968,124.96-326,245.86

Finding the Fourth Proportional to 646,291.44, 968,124.96 and 326,245.86

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Solution

The fourth proportional to 646,291.44, 968,124.96 and 326,245.86 is: 488,706.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,291.44 : 968,124.96 = 326,245.86 : x
  2. Step 2: Convert to fraction form
    646,291.44/968,124.96 = 326,245.86/x
  3. Step 3: Cross multiply
    646,291.44x = 968,124.96 × 326,245.86
  4. Step 4: Simplify right side
    646,291.44x = 315,846,760,162.67
  5. Step 5: Solve for x
    x = 315,846,760,162.67/646,291.44
  6. Step 6: Final answer
    x = 488,706.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.