Finding the Fourth Proportional to 853,844.97, 1,178,431.16 and 514,305.93
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Solution
The fourth proportional to 853,844.97, 1,178,431.16 and 514,305.93 is: 709,817.53
Step by Step Solution
- Step 1: Write the proportion equation
853,844.97 : 1,178,431.16 = 514,305.93 : x - Step 2: Convert to fraction form
853,844.97/1,178,431.16 = 514,305.93/x - Step 3: Cross multiply
853,844.97x = 1,178,431.16 × 514,305.93 - Step 4: Simplify right side
853,844.97x = 606,074,131,113.25 - Step 5: Solve for x
x = 606,074,131,113.25/853,844.97 - Step 6: Final answer
x = 709,817.53
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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.