Finding the Fourth Proportional to 758,770.68, 1,047,101.40 and 419,236.50
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Solution
The fourth proportional to 758,770.68, 1,047,101.40 and 419,236.50 is: 578,545.19
Step by Step Solution
- Step 1: Write the proportion equation
758,770.68 : 1,047,101.40 = 419,236.50 : x - Step 2: Convert to fraction form
758,770.68/1,047,101.40 = 419,236.50/x - Step 3: Cross multiply
758,770.68x = 1,047,101.40 × 419,236.50 - Step 4: Simplify right side
758,770.68x = 438,983,126,081.10 - Step 5: Solve for x
x = 438,983,126,081.10/758,770.68 - Step 6: Final answer
x = 578,545.19
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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.