Home / 646,132.80-968,853.60-225,422.40

Finding the Fourth Proportional to 646,132.80, 968,853.60 and 225,422.40

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Solution

The fourth proportional to 646,132.80, 968,853.60 and 225,422.40 is: 338,013.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,132.80 : 968,853.60 = 225,422.40 : x
  2. Step 2: Convert to fraction form
    646,132.80/968,853.60 = 225,422.40/x
  3. Step 3: Cross multiply
    646,132.80x = 968,853.60 × 225,422.40
  4. Step 4: Simplify right side
    646,132.80x = 218,401,303,760.64
  5. Step 5: Solve for x
    x = 218,401,303,760.64/646,132.80
  6. Step 6: Final answer
    x = 338,013.03

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1.5x scale

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.