Finding the Fourth Proportional to 559,514.49, 838,674.12 and 319,110.81
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Solution
The fourth proportional to 559,514.49, 838,674.12 and 319,110.81 is: 478,325.37
Step by Step Solution
- Step 1: Write the proportion equation
559,514.49 : 838,674.12 = 319,110.81 : x - Step 2: Convert to fraction form
559,514.49/838,674.12 = 319,110.81/x - Step 3: Cross multiply
559,514.49x = 838,674.12 × 319,110.81 - Step 4: Simplify right side
559,514.49x = 267,629,977,759.24 - Step 5: Solve for x
x = 267,629,977,759.24/559,514.49 - Step 6: Final answer
x = 478,325.37
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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.