Finding the Fourth Proportional to 775,226.70, 1,160,543.70 and 576,428.40
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Solution
The fourth proportional to 775,226.70, 1,160,543.70 and 576,428.40 is: 862,935.12
Step by Step Solution
- Step 1: Write the proportion equation
775,226.70 : 1,160,543.70 = 576,428.40 : x - Step 2: Convert to fraction form
775,226.70/1,160,543.70 = 576,428.40/x - Step 3: Cross multiply
775,226.70x = 1,160,543.70 × 576,428.40 - Step 4: Simplify right side
775,226.70x = 668,970,348,121.08 - Step 5: Solve for x
x = 668,970,348,121.08/775,226.70 - Step 6: Final answer
x = 862,935.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.