Finding the Fourth Proportional to 806,073.80, 1,209,110.70 and 681,657.80
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Solution
The fourth proportional to 806,073.80, 1,209,110.70 and 681,657.80 is: 1,022,486.70
Step by Step Solution
- Step 1: Write the proportion equation
806,073.80 : 1,209,110.70 = 681,657.80 : x - Step 2: Convert to fraction form
806,073.80/1,209,110.70 = 681,657.80/x - Step 3: Cross multiply
806,073.80x = 1,209,110.70 × 681,657.80 - Step 4: Simplify right side
806,073.80x = 824,199,739,718.46 - Step 5: Solve for x
x = 824,199,739,718.46/806,073.80 - Step 6: Final answer
x = 1,022,486.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.