Finding the Fourth Proportional to 623,021.59, 859,770.26 and 336,541.68
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Solution
The fourth proportional to 623,021.59, 859,770.26 and 336,541.68 is: 464,427.77
Step by Step Solution
- Step 1: Write the proportion equation
623,021.59 : 859,770.26 = 336,541.68 : x - Step 2: Convert to fraction form
623,021.59/859,770.26 = 336,541.68/x - Step 3: Cross multiply
623,021.59x = 859,770.26 × 336,541.68 - Step 4: Simplify right side
623,021.59x = 289,348,527,714.44 - Step 5: Solve for x
x = 289,348,527,714.44/623,021.59 - Step 6: Final answer
x = 464,427.77
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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.