Finding the Fourth Proportional to 838,548.18, 1,157,544.24 and 634,656
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Solution
The fourth proportional to 838,548.18, 1,157,544.24 and 634,656 is: 876,088.48
Step by Step Solution
- Step 1: Write the proportion equation
838,548.18 : 1,157,544.24 = 634,656 : x - Step 2: Convert to fraction form
838,548.18/1,157,544.24 = 634,656/x - Step 3: Cross multiply
838,548.18x = 1,157,544.24 × 634,656 - Step 4: Simplify right side
838,548.18x = 734,642,397,181.44 - Step 5: Solve for x
x = 734,642,397,181.44/838,548.18 - Step 6: Final answer
x = 876,088.48
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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.