Finding the Fourth Proportional to 985,593.22, 1,478,572.18 and 311,844.13
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Solution
The fourth proportional to 985,593.22, 1,478,572.18 and 311,844.13 is: 467,823.89
Step by Step Solution
- Step 1: Write the proportion equation
985,593.22 : 1,478,572.18 = 311,844.13 : x - Step 2: Convert to fraction form
985,593.22/1,478,572.18 = 311,844.13/x - Step 3: Cross multiply
985,593.22x = 1,478,572.18 × 311,844.13 - Step 4: Simplify right side
985,593.22x = 461,084,050,638.26 - Step 5: Solve for x
x = 461,084,050,638.26/985,593.22 - Step 6: Final answer
x = 467,823.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.