Finding the Fourth Proportional to 692,512.01, 1,038,716.16 and 243,236.84
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Solution
The fourth proportional to 692,512.01, 1,038,716.16 and 243,236.84 is: 364,837.05
Step by Step Solution
- Step 1: Write the proportion equation
692,512.01 : 1,038,716.16 = 243,236.84 : x - Step 2: Convert to fraction form
692,512.01/1,038,716.16 = 243,236.84/x - Step 3: Cross multiply
692,512.01x = 1,038,716.16 × 243,236.84 - Step 4: Simplify right side
692,512.01x = 252,654,036,415.33 - Step 5: Solve for x
x = 252,654,036,415.33/692,512.01 - Step 6: Final answer
x = 364,837.05
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1.5x scale
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.