Finding the Fourth Proportional to 893,643.84, 1,233,197.28 and 491,232.96
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Solution
The fourth proportional to 893,643.84, 1,233,197.28 and 491,232.96 is: 677,884.32
Step by Step Solution
- Step 1: Write the proportion equation
893,643.84 : 1,233,197.28 = 491,232.96 : x - Step 2: Convert to fraction form
893,643.84/1,233,197.28 = 491,232.96/x - Step 3: Cross multiply
893,643.84x = 1,233,197.28 × 491,232.96 - Step 4: Simplify right side
893,643.84x = 605,787,150,118.35 - Step 5: Solve for x
x = 605,787,150,118.35/893,643.84 - Step 6: Final answer
x = 677,884.32
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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.