Finding the Fourth Proportional to 963,837.09, 1,330,079.27 and 528,251.09
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Solution
The fourth proportional to 963,837.09, 1,330,079.27 and 528,251.09 is: 728,977.77
Step by Step Solution
- Step 1: Write the proportion equation
963,837.09 : 1,330,079.27 = 528,251.09 : x - Step 2: Convert to fraction form
963,837.09/1,330,079.27 = 528,251.09/x - Step 3: Cross multiply
963,837.09x = 1,330,079.27 × 528,251.09 - Step 4: Simplify right side
963,837.09x = 702,615,814,872.25 - Step 5: Solve for x
x = 702,615,814,872.25/963,837.09 - Step 6: Final answer
x = 728,977.77
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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.