Home / 945,957.06-1,305,449.58-538,118

Finding the Fourth Proportional to 945,957.06, 1,305,449.58 and 538,118

Calculator

Solution

The fourth proportional to 945,957.06, 1,305,449.58 and 538,118 is: 742,619.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,957.06 : 1,305,449.58 = 538,118 : x
  2. Step 2: Convert to fraction form
    945,957.06/1,305,449.58 = 538,118/x
  3. Step 3: Cross multiply
    945,957.06x = 1,305,449.58 × 538,118
  4. Step 4: Simplify right side
    945,957.06x = 702,485,917,090.44
  5. Step 5: Solve for x
    x = 702,485,917,090.44/945,957.06
  6. Step 6: Final answer
    x = 742,619.24

Related Problems

Find fourth proportional to 472,978.53, 652,724.79 and 269,059
Half scale
Find fourth proportional to 1,891,914.12, 2,610,899.16 and 1,076,236
Double scale
Find fourth proportional to 945,958.06, 1,305,450.96 and 538,119
Similar ratio
Find fourth proportional to 1,418,935.59, 1,958,174.37 and 807,177
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.