Finding the Fourth Proportional to 632,083.25, 872,290.68 and 383,728.21
Calculator
Solution
The fourth proportional to 632,083.25, 872,290.68 and 383,728.21 is: 529,554.52
Step by Step Solution
- Step 1: Write the proportion equation
632,083.25 : 872,290.68 = 383,728.21 : x - Step 2: Convert to fraction form
632,083.25/872,290.68 = 383,728.21/x - Step 3: Cross multiply
632,083.25x = 872,290.68 × 383,728.21 - Step 4: Simplify right side
632,083.25x = 334,722,541,236.08 - Step 5: Solve for x
x = 334,722,541,236.08/632,083.25 - Step 6: Final answer
x = 529,554.52
Related Problems
Find fourth proportional to 316,041.63, 436,145.34 and 191,864.11
Half scale
Find fourth proportional to 1,264,166.50, 1,744,581.36 and 767,456.42
Double scale
Find fourth proportional to 632,084.25, 872,292.06 and 383,729.21
Similar ratio
Find fourth proportional to 948,124.88, 1,308,436.02 and 575,592.32
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.