Home / 760,639.36-1,140,912.96-199,661.44

Finding the Fourth Proportional to 760,639.36, 1,140,912.96 and 199,661.44

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Solution

The fourth proportional to 760,639.36, 1,140,912.96 and 199,661.44 is: 299,480.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,639.36 : 1,140,912.96 = 199,661.44 : x
  2. Step 2: Convert to fraction form
    760,639.36/1,140,912.96 = 199,661.44/x
  3. Step 3: Cross multiply
    760,639.36x = 1,140,912.96 × 199,661.44
  4. Step 4: Simplify right side
    760,639.36x = 227,796,324,508.26
  5. Step 5: Solve for x
    x = 227,796,324,508.26/760,639.36
  6. Step 6: Final answer
    x = 299,480.06

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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.