Finding the Fourth Proportional to 824,944.98, 1,138,173.36 and 519,326.44
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Solution
The fourth proportional to 824,944.98, 1,138,173.36 and 519,326.44 is: 716,512.66
Step by Step Solution
- Step 1: Write the proportion equation
824,944.98 : 1,138,173.36 = 519,326.44 : x - Step 2: Convert to fraction form
824,944.98/1,138,173.36 = 519,326.44/x - Step 3: Cross multiply
824,944.98x = 1,138,173.36 × 519,326.44 - Step 4: Simplify right side
824,944.98x = 591,083,519,151.64 - Step 5: Solve for x
x = 591,083,519,151.64/824,944.98 - Step 6: Final answer
x = 716,512.66
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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.