Finding the Fourth Proportional to 849,293.18, 1,273,546.10 and 316,671.20
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Solution
The fourth proportional to 849,293.18, 1,273,546.10 and 316,671.20 is: 474,860.01
Step by Step Solution
- Step 1: Write the proportion equation
849,293.18 : 1,273,546.10 = 316,671.20 : x - Step 2: Convert to fraction form
849,293.18/1,273,546.10 = 316,671.20/x - Step 3: Cross multiply
849,293.18x = 1,273,546.10 × 316,671.20 - Step 4: Simplify right side
849,293.18x = 403,295,367,805.55 - Step 5: Solve for x
x = 403,295,367,805.55/849,293.18 - Step 6: Final answer
x = 474,860.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.