Finding the Fourth Proportional to 552,517.14, 762,419.16 and 310,794.48
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Solution
The fourth proportional to 552,517.14, 762,419.16 and 310,794.48 is: 428,865.73
Step by Step Solution
- Step 1: Write the proportion equation
552,517.14 : 762,419.16 = 310,794.48 : x - Step 2: Convert to fraction form
552,517.14/762,419.16 = 310,794.48/x - Step 3: Cross multiply
552,517.14x = 762,419.16 × 310,794.48 - Step 4: Simplify right side
552,517.14x = 236,955,666,374.24 - Step 5: Solve for x
x = 236,955,666,374.24/552,517.14 - Step 6: Final answer
x = 428,865.73
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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.