Finding the Fourth Proportional to 783,197.28, 1,080,603.84 and 451,969.29
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Solution
The fourth proportional to 783,197.28, 1,080,603.84 and 451,969.29 is: 623,597.35
Step by Step Solution
- Step 1: Write the proportion equation
783,197.28 : 1,080,603.84 = 451,969.29 : x - Step 2: Convert to fraction form
783,197.28/1,080,603.84 = 451,969.29/x - Step 3: Cross multiply
783,197.28x = 1,080,603.84 × 451,969.29 - Step 4: Simplify right side
783,197.28x = 488,399,750,336.07 - Step 5: Solve for x
x = 488,399,750,336.07/783,197.28 - Step 6: Final answer
x = 623,597.35
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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.