Finding the Fourth Proportional to 625,252.79, 862,372.85 and 538,186.07
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Solution
The fourth proportional to 625,252.79, 862,372.85 and 538,186.07 is: 742,287.06
Step by Step Solution
- Step 1: Write the proportion equation
625,252.79 : 862,372.85 = 538,186.07 : x - Step 2: Convert to fraction form
625,252.79/862,372.85 = 538,186.07/x - Step 3: Cross multiply
625,252.79x = 862,372.85 × 538,186.07 - Step 4: Simplify right side
625,252.79x = 464,117,054,481.20 - Step 5: Solve for x
x = 464,117,054,481.20/625,252.79 - Step 6: Final answer
x = 742,287.06
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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.