Home / 645,883.23-968,923.26-330,233.52

Finding the Fourth Proportional to 645,883.23, 968,923.26 and 330,233.52

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Solution

The fourth proportional to 645,883.23, 968,923.26 and 330,233.52 is: 495,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,883.23 : 968,923.26 = 330,233.52 : x
  2. Step 2: Convert to fraction form
    645,883.23/968,923.26 = 330,233.52/x
  3. Step 3: Cross multiply
    645,883.23x = 968,923.26 × 330,233.52
  4. Step 4: Simplify right side
    645,883.23x = 319,970,938,759.68
  5. Step 5: Solve for x
    x = 319,970,938,759.68/645,883.23
  6. Step 6: Final answer
    x = 495,400.60

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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.