Finding the Fourth Proportional to 916,170.36, 1,264,908.87 and 589,629.66
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Solution
The fourth proportional to 916,170.36, 1,264,908.87 and 589,629.66 is: 814,071.07
Step by Step Solution
- Step 1: Write the proportion equation
916,170.36 : 1,264,908.87 = 589,629.66 : x - Step 2: Convert to fraction form
916,170.36/1,264,908.87 = 589,629.66/x - Step 3: Cross multiply
916,170.36x = 1,264,908.87 × 589,629.66 - Step 4: Simplify right side
916,170.36x = 745,827,786,949.08 - Step 5: Solve for x
x = 745,827,786,949.08/916,170.36 - Step 6: Final answer
x = 814,071.07
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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.