Finding the Fourth Proportional to 801,685.34, 1,106,326.04 and 439,115.26
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Solution
The fourth proportional to 801,685.34, 1,106,326.04 and 439,115.26 is: 605,979.21
Step by Step Solution
- Step 1: Write the proportion equation
801,685.34 : 1,106,326.04 = 439,115.26 : x - Step 2: Convert to fraction form
801,685.34/1,106,326.04 = 439,115.26/x - Step 3: Cross multiply
801,685.34x = 1,106,326.04 × 439,115.26 - Step 4: Simplify right side
801,685.34x = 485,804,646,699.37 - Step 5: Solve for x
x = 485,804,646,699.37/801,685.34 - Step 6: Final answer
x = 605,979.21
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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.