Finding the Fourth Proportional to 822,556.03, 1,135,158.25 and 459,978.99
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Solution
The fourth proportional to 822,556.03, 1,135,158.25 and 459,978.99 is: 634,788.31
Step by Step Solution
- Step 1: Write the proportion equation
822,556.03 : 1,135,158.25 = 459,978.99 : x - Step 2: Convert to fraction form
822,556.03/1,135,158.25 = 459,978.99/x - Step 3: Cross multiply
822,556.03x = 1,135,158.25 × 459,978.99 - Step 4: Simplify right side
822,556.03x = 522,148,945,569.79 - Step 5: Solve for x
x = 522,148,945,569.79/822,556.03 - Step 6: Final answer
x = 634,788.31
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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.