Finding the Fourth Proportional to 990,799.08, 1,367,296.74 and 538,086.12
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Solution
The fourth proportional to 990,799.08, 1,367,296.74 and 538,086.12 is: 742,555.59
Step by Step Solution
- Step 1: Write the proportion equation
990,799.08 : 1,367,296.74 = 538,086.12 : x - Step 2: Convert to fraction form
990,799.08/1,367,296.74 = 538,086.12/x - Step 3: Cross multiply
990,799.08x = 1,367,296.74 × 538,086.12 - Step 4: Simplify right side
990,799.08x = 735,723,397,715.25 - Step 5: Solve for x
x = 735,723,397,715.25/990,799.08 - Step 6: Final answer
x = 742,555.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.