Finding the Fourth Proportional to 908,826.08, 1,362,821.76 and 309,543.42
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Solution
The fourth proportional to 908,826.08, 1,362,821.76 and 309,543.42 is: 464,172.99
Step by Step Solution
- Step 1: Write the proportion equation
908,826.08 : 1,362,821.76 = 309,543.42 : x - Step 2: Convert to fraction form
908,826.08/1,362,821.76 = 309,543.42/x - Step 3: Cross multiply
908,826.08x = 1,362,821.76 × 309,543.42 - Step 4: Simplify right side
908,826.08x = 421,852,513,551.40 - Step 5: Solve for x
x = 421,852,513,551.40/908,826.08 - Step 6: Final answer
x = 464,172.99
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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.