Home / 646,464.48-968,627.52-330,486.72

Finding the Fourth Proportional to 646,464.48, 968,627.52 and 330,486.72

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Solution

The fourth proportional to 646,464.48, 968,627.52 and 330,486.72 is: 495,183.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,464.48 : 968,627.52 = 330,486.72 : x
  2. Step 2: Convert to fraction form
    646,464.48/968,627.52 = 330,486.72/x
  3. Step 3: Cross multiply
    646,464.48x = 968,627.52 × 330,486.72
  4. Step 4: Simplify right side
    646,464.48x = 320,118,531,986.53
  5. Step 5: Solve for x
    x = 320,118,531,986.53/646,464.48
  6. Step 6: Final answer
    x = 495,183.48

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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.