Finding the Fourth Proportional to 796,739.05, 1,099,407.18 and 486,485.56
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Solution
The fourth proportional to 796,739.05, 1,099,407.18 and 486,485.56 is: 671,293.47
Step by Step Solution
- Step 1: Write the proportion equation
796,739.05 : 1,099,407.18 = 486,485.56 : x - Step 2: Convert to fraction form
796,739.05/1,099,407.18 = 486,485.56/x - Step 3: Cross multiply
796,739.05x = 1,099,407.18 × 486,485.56 - Step 4: Simplify right side
796,739.05x = 534,845,717,630.32 - Step 5: Solve for x
x = 534,845,717,630.32/796,739.05 - Step 6: Final answer
x = 671,293.47
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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.