Finding the Fourth Proportional to 917,566.68, 1,376,363.87 and 318,546.88
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Solution
The fourth proportional to 917,566.68, 1,376,363.87 and 318,546.88 is: 477,825.12
Step by Step Solution
- Step 1: Write the proportion equation
917,566.68 : 1,376,363.87 = 318,546.88 : x - Step 2: Convert to fraction form
917,566.68/1,376,363.87 = 318,546.88/x - Step 3: Cross multiply
917,566.68x = 1,376,363.87 × 318,546.88 - Step 4: Simplify right side
917,566.68x = 438,436,412,694.13 - Step 5: Solve for x
x = 438,436,412,694.13/917,566.68 - Step 6: Final answer
x = 477,825.12
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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.