Finding the Fourth Proportional to 936,520.64, 1,292,316.88 and 549,414.08
Calculator
Solution
The fourth proportional to 936,520.64, 1,292,316.88 and 549,414.08 is: 758,143.56
Step by Step Solution
- Step 1: Write the proportion equation
936,520.64 : 1,292,316.88 = 549,414.08 : x - Step 2: Convert to fraction form
936,520.64/1,292,316.88 = 549,414.08/x - Step 3: Cross multiply
936,520.64x = 1,292,316.88 × 549,414.08 - Step 4: Simplify right side
936,520.64x = 710,017,089,693.67 - Step 5: Solve for x
x = 710,017,089,693.67/936,520.64 - Step 6: Final answer
x = 758,143.56
Related Problems
Find fourth proportional to 468,260.32, 646,158.44 and 274,707.04
Half scale
Find fourth proportional to 1,873,041.28, 2,584,633.76 and 1,098,828.16
Double scale
Find fourth proportional to 936,521.64, 1,292,318.26 and 549,415.08
Similar ratio
Find fourth proportional to 1,404,780.96, 1,938,475.32 and 824,121.12
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.