Finding the Fourth Proportional to 722,440.75, 996,932.65 and 395,755.18
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Solution
The fourth proportional to 722,440.75, 996,932.65 and 395,755.18 is: 546,122.65
Step by Step Solution
- Step 1: Write the proportion equation
722,440.75 : 996,932.65 = 395,755.18 : x - Step 2: Convert to fraction form
722,440.75/996,932.65 = 395,755.18/x - Step 3: Cross multiply
722,440.75x = 996,932.65 × 395,755.18 - Step 4: Simplify right side
722,440.75x = 394,541,256,866.91 - Step 5: Solve for x
x = 394,541,256,866.91/722,440.75 - Step 6: Final answer
x = 546,122.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.