Finding the Fourth Proportional to 609,042.07, 840,284.84 and 354,344.05
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Solution
The fourth proportional to 609,042.07, 840,284.84 and 354,344.05 is: 488,882.37
Step by Step Solution
- Step 1: Write the proportion equation
609,042.07 : 840,284.84 = 354,344.05 : x - Step 2: Convert to fraction form
609,042.07/840,284.84 = 354,344.05/x - Step 3: Cross multiply
609,042.07x = 840,284.84 × 354,344.05 - Step 4: Simplify right side
609,042.07x = 297,749,933,302.23 - Step 5: Solve for x
x = 297,749,933,302.23/609,042.07 - Step 6: Final answer
x = 488,882.37
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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.