Finding the Fourth Proportional to 1,146,891.68, 1,719,263.04 and 388,202.21
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Solution
The fourth proportional to 1,146,891.68, 1,719,263.04 and 388,202.21 is: 581,939.62
Step by Step Solution
- Step 1: Write the proportion equation
1,146,891.68 : 1,719,263.04 = 388,202.21 : x - Step 2: Convert to fraction form
1,146,891.68/1,719,263.04 = 388,202.21/x - Step 3: Cross multiply
1,146,891.68x = 1,719,263.04 × 388,202.21 - Step 4: Simplify right side
1,146,891.68x = 667,421,711,699.32 - Step 5: Solve for x
x = 667,421,711,699.32/1,146,891.68 - Step 6: Final answer
x = 581,939.62
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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.