Finding the Fourth Proportional to 838,514.44, 1,157,124.62 and 465,976.08
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Solution
The fourth proportional to 838,514.44, 1,157,124.62 and 465,976.08 is: 643,032.93
Step by Step Solution
- Step 1: Write the proportion equation
838,514.44 : 1,157,124.62 = 465,976.08 : x - Step 2: Convert to fraction form
838,514.44/1,157,124.62 = 465,976.08/x - Step 3: Cross multiply
838,514.44x = 1,157,124.62 × 465,976.08 - Step 4: Simplify right side
838,514.44x = 539,192,394,499.09 - Step 5: Solve for x
x = 539,192,394,499.09/838,514.44 - Step 6: Final answer
x = 643,032.93
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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.