Finding the Fourth Proportional to 770,490.11, 1,063,218.61 and 430,892.75
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Solution
The fourth proportional to 770,490.11, 1,063,218.61 and 430,892.75 is: 594,599.70
Step by Step Solution
- Step 1: Write the proportion equation
770,490.11 : 1,063,218.61 = 430,892.75 : x - Step 2: Convert to fraction form
770,490.11/1,063,218.61 = 430,892.75/x - Step 3: Cross multiply
770,490.11x = 1,063,218.61 × 430,892.75 - Step 4: Simplify right side
770,490.11x = 458,133,190,714.08 - Step 5: Solve for x
x = 458,133,190,714.08/770,490.11 - Step 6: Final answer
x = 594,599.70
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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.