Finding the Fourth Proportional to 805,462.08, 1,111,563.66 and 442,912.08
Calculator
Solution
The fourth proportional to 805,462.08, 1,111,563.66 and 442,912.08 is: 611,232.96
Step by Step Solution
- Step 1: Write the proportion equation
805,462.08 : 1,111,563.66 = 442,912.08 : x - Step 2: Convert to fraction form
805,462.08/1,111,563.66 = 442,912.08/x - Step 3: Cross multiply
805,462.08x = 1,111,563.66 × 442,912.08 - Step 4: Simplify right side
805,462.08x = 492,324,972,703.01 - Step 5: Solve for x
x = 492,324,972,703.01/805,462.08 - Step 6: Final answer
x = 611,232.96
Related Problems
Find fourth proportional to 402,731.04, 555,781.83 and 221,456.04
Half scale
Find fourth proportional to 1,610,924.16, 2,223,127.32 and 885,824.16
Double scale
Find fourth proportional to 805,463.08, 1,111,565.04 and 442,913.08
Similar ratio
Find fourth proportional to 1,208,193.12, 1,667,345.49 and 664,368.12
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.