Home / 646,088.36-969,331.02-330,766.60

Finding the Fourth Proportional to 646,088.36, 969,331.02 and 330,766.60

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Solution

The fourth proportional to 646,088.36, 969,331.02 and 330,766.60 is: 496,251.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,088.36 : 969,331.02 = 330,766.60 : x
  2. Step 2: Convert to fraction form
    646,088.36/969,331.02 = 330,766.60/x
  3. Step 3: Cross multiply
    646,088.36x = 969,331.02 × 330,766.60
  4. Step 4: Simplify right side
    646,088.36x = 320,622,325,759.93
  5. Step 5: Solve for x
    x = 320,622,325,759.93/646,088.36
  6. Step 6: Final answer
    x = 496,251.51

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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.