Finding the Fourth Proportional to 722,430.56, 996,943.28 and 395,740.96
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Solution
The fourth proportional to 722,430.56, 996,943.28 and 395,740.96 is: 546,116.56
Step by Step Solution
- Step 1: Write the proportion equation
722,430.56 : 996,943.28 = 395,740.96 : x - Step 2: Convert to fraction form
722,430.56/996,943.28 = 395,740.96/x - Step 3: Cross multiply
722,430.56x = 996,943.28 × 395,740.96 - Step 4: Simplify right side
722,430.56x = 394,531,290,692.75 - Step 5: Solve for x
x = 394,531,290,692.75/722,430.56 - Step 6: Final answer
x = 546,116.56
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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.