Home / 646,317.27-968,976.37-326,304.43

Finding the Fourth Proportional to 646,317.27, 968,976.37 and 326,304.43

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Solution

The fourth proportional to 646,317.27, 968,976.37 and 326,304.43 is: 489,204.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,317.27 : 968,976.37 = 326,304.43 : x
  2. Step 2: Convert to fraction form
    646,317.27/968,976.37 = 326,304.43/x
  3. Step 3: Cross multiply
    646,317.27x = 968,976.37 × 326,304.43
  4. Step 4: Simplify right side
    646,317.27x = 316,181,282,096.32
  5. Step 5: Solve for x
    x = 316,181,282,096.32/646,317.27
  6. Step 6: Final answer
    x = 489,204.45

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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.