Finding the Fourth Proportional to 781,382.07, 1,177,929.84 and 729,302.04
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Solution
The fourth proportional to 781,382.07, 1,177,929.84 and 729,302.04 is: 1,099,419.44
Step by Step Solution
- Step 1: Write the proportion equation
781,382.07 : 1,177,929.84 = 729,302.04 : x - Step 2: Convert to fraction form
781,382.07/1,177,929.84 = 729,302.04/x - Step 3: Cross multiply
781,382.07x = 1,177,929.84 × 729,302.04 - Step 4: Simplify right side
781,382.07x = 859,066,635,288.87 - Step 5: Solve for x
x = 859,066,635,288.87/781,382.07 - Step 6: Final answer
x = 1,099,419.44
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.