Finding the Fourth Proportional to 821,197.44, 1,133,364.96 and 458,643.60
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Solution
The fourth proportional to 821,197.44, 1,133,364.96 and 458,643.60 is: 632,991.00
Step by Step Solution
- Step 1: Write the proportion equation
821,197.44 : 1,133,364.96 = 458,643.60 : x - Step 2: Convert to fraction form
821,197.44/1,133,364.96 = 458,643.60/x - Step 3: Cross multiply
821,197.44x = 1,133,364.96 × 458,643.60 - Step 4: Simplify right side
821,197.44x = 519,810,585,368.26 - Step 5: Solve for x
x = 519,810,585,368.26/821,197.44 - Step 6: Final answer
x = 632,991.00
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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.