Finding the Fourth Proportional to 801,268.08, 1,106,499.24 and 515,284.62
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Solution
The fourth proportional to 801,268.08, 1,106,499.24 and 515,284.62 is: 711,574.63
Step by Step Solution
- Step 1: Write the proportion equation
801,268.08 : 1,106,499.24 = 515,284.62 : x - Step 2: Convert to fraction form
801,268.08/1,106,499.24 = 515,284.62/x - Step 3: Cross multiply
801,268.08x = 1,106,499.24 × 515,284.62 - Step 4: Simplify right side
801,268.08x = 570,162,040,413.69 - Step 5: Solve for x
x = 570,162,040,413.69/801,268.08 - Step 6: Final answer
x = 711,574.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.