Finding the Fourth Proportional to 855,938.49, 1,181,194.38 and 473,965.26
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Solution
The fourth proportional to 855,938.49, 1,181,194.38 and 473,965.26 is: 654,071.65
Step by Step Solution
- Step 1: Write the proportion equation
855,938.49 : 1,181,194.38 = 473,965.26 : x - Step 2: Convert to fraction form
855,938.49/1,181,194.38 = 473,965.26/x - Step 3: Cross multiply
855,938.49x = 1,181,194.38 × 473,965.26 - Step 4: Simplify right side
855,938.49x = 559,845,101,427.24 - Step 5: Solve for x
x = 559,845,101,427.24/855,938.49 - Step 6: Final answer
x = 654,071.65
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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.