Finding the Fourth Proportional to 855,827.19, 1,181,078.41 and 473,853.97
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Solution
The fourth proportional to 855,827.19, 1,181,078.41 and 473,853.97 is: 653,938.90
Step by Step Solution
- Step 1: Write the proportion equation
855,827.19 : 1,181,078.41 = 473,853.97 : x - Step 2: Convert to fraction form
855,827.19/1,181,078.41 = 473,853.97/x - Step 3: Cross multiply
855,827.19x = 1,181,078.41 × 473,853.97 - Step 4: Simplify right side
855,827.19x = 559,658,693,459.79 - Step 5: Solve for x
x = 559,658,693,459.79/855,827.19 - Step 6: Final answer
x = 653,938.90
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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.