Finding the Fourth Proportional to 552,077.16, 762,447.32 and 491,896.79
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Solution
The fourth proportional to 552,077.16, 762,447.32 and 491,896.79 is: 679,335.09
Step by Step Solution
- Step 1: Write the proportion equation
552,077.16 : 762,447.32 = 491,896.79 : x - Step 2: Convert to fraction form
552,077.16/762,447.32 = 491,896.79/x - Step 3: Cross multiply
552,077.16x = 762,447.32 × 491,896.79 - Step 4: Simplify right side
552,077.16x = 375,045,389,252.10 - Step 5: Solve for x
x = 375,045,389,252.10/552,077.16 - Step 6: Final answer
x = 679,335.09
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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.