Finding the Fourth Proportional to 861,705.93, 1,291,755.01 and 292,697.74
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Solution
The fourth proportional to 861,705.93, 1,291,755.01 and 292,697.74 is: 438,773.55
Step by Step Solution
- Step 1: Write the proportion equation
861,705.93 : 1,291,755.01 = 292,697.74 : x - Step 2: Convert to fraction form
861,705.93/1,291,755.01 = 292,697.74/x - Step 3: Cross multiply
861,705.93x = 1,291,755.01 × 292,697.74 - Step 4: Simplify right side
861,705.93x = 378,093,772,060.68 - Step 5: Solve for x
x = 378,093,772,060.68/861,705.93 - Step 6: Final answer
x = 438,773.55
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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.