Finding the Fourth Proportional to 722,092.14, 996,502.68 and 395,418.93
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Solution
The fourth proportional to 722,092.14, 996,502.68 and 395,418.93 is: 545,686.63
Step by Step Solution
- Step 1: Write the proportion equation
722,092.14 : 996,502.68 = 395,418.93 : x - Step 2: Convert to fraction form
722,092.14/996,502.68 = 395,418.93/x - Step 3: Cross multiply
722,092.14x = 996,502.68 × 395,418.93 - Step 4: Simplify right side
722,092.14x = 394,036,023,467.73 - Step 5: Solve for x
x = 394,036,023,467.73/722,092.14 - Step 6: Final answer
x = 545,686.63
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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.