Finding the Fourth Proportional to 853,736.36, 1,178,053.62 and 471,710.84
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Solution
The fourth proportional to 853,736.36, 1,178,053.62 and 471,710.84 is: 650,904.29
Step by Step Solution
- Step 1: Write the proportion equation
853,736.36 : 1,178,053.62 = 471,710.84 : x - Step 2: Convert to fraction form
853,736.36/1,178,053.62 = 471,710.84/x - Step 3: Cross multiply
853,736.36x = 1,178,053.62 × 471,710.84 - Step 4: Simplify right side
853,736.36x = 555,700,662,655.24 - Step 5: Solve for x
x = 555,700,662,655.24/853,736.36 - Step 6: Final answer
x = 650,904.29
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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.