Finding the Fourth Proportional to 855,924.14, 1,181,160.86 and 473,942.72
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Solution
The fourth proportional to 855,924.14, 1,181,160.86 and 473,942.72 is: 654,032.95
Step by Step Solution
- Step 1: Write the proportion equation
855,924.14 : 1,181,160.86 = 473,942.72 : x - Step 2: Convert to fraction form
855,924.14/1,181,160.86 = 473,942.72/x - Step 3: Cross multiply
855,924.14x = 1,181,160.86 × 473,942.72 - Step 4: Simplify right side
855,924.14x = 559,802,591,329.13 - Step 5: Solve for x
x = 559,802,591,329.13/855,924.14 - Step 6: Final answer
x = 654,032.95
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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.