Finding the Fourth Proportional to 872,893.08, 1,308,145.23 and 659,485.62
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Solution
The fourth proportional to 872,893.08, 1,308,145.23 and 659,485.62 is: 988,326.05
Step by Step Solution
- Step 1: Write the proportion equation
872,893.08 : 1,308,145.23 = 659,485.62 : x - Step 2: Convert to fraction form
872,893.08/1,308,145.23 = 659,485.62/x - Step 3: Cross multiply
872,893.08x = 1,308,145.23 × 659,485.62 - Step 4: Simplify right side
872,893.08x = 862,702,968,056.59 - Step 5: Solve for x
x = 862,702,968,056.59/872,893.08 - Step 6: Final answer
x = 988,326.05
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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.