Finding the Fourth Proportional to 822,887.91, 1,135,531.98 and 460,249.02
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Solution
The fourth proportional to 822,887.91, 1,135,531.98 and 460,249.02 is: 635,113.82
Step by Step Solution
- Step 1: Write the proportion equation
822,887.91 : 1,135,531.98 = 460,249.02 : x - Step 2: Convert to fraction form
822,887.91/1,135,531.98 = 460,249.02/x - Step 3: Cross multiply
822,887.91x = 1,135,531.98 × 460,249.02 - Step 4: Simplify right side
822,887.91x = 522,627,480,973.66 - Step 5: Solve for x
x = 522,627,480,973.66/822,887.91 - Step 6: Final answer
x = 635,113.82
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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.