Home / 845,936.37-1,268,984.88-306,328.95

Finding the Fourth Proportional to 845,936.37, 1,268,984.88 and 306,328.95

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Solution

The fourth proportional to 845,936.37, 1,268,984.88 and 306,328.95 is: 459,522.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,936.37 : 1,268,984.88 = 306,328.95 : x
  2. Step 2: Convert to fraction form
    845,936.37/1,268,984.88 = 306,328.95/x
  3. Step 3: Cross multiply
    845,936.37x = 1,268,984.88 × 306,328.95
  4. Step 4: Simplify right side
    845,936.37x = 388,726,805,856.28
  5. Step 5: Solve for x
    x = 388,726,805,856.28/845,936.37
  6. Step 6: Final answer
    x = 459,522.51

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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.