Finding the Fourth Proportional to 552,264.63, 762,129.72 and 310,545.09
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Solution
The fourth proportional to 552,264.63, 762,129.72 and 310,545.09 is: 428,554.77
Step by Step Solution
- Step 1: Write the proportion equation
552,264.63 : 762,129.72 = 310,545.09 : x - Step 2: Convert to fraction form
552,264.63/762,129.72 = 310,545.09/x - Step 3: Cross multiply
552,264.63x = 762,129.72 × 310,545.09 - Step 4: Simplify right side
552,264.63x = 236,675,642,489.08 - Step 5: Solve for x
x = 236,675,642,489.08/552,264.63 - Step 6: Final answer
x = 428,554.77
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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.