Finding the Fourth Proportional to 777,843, 1,073,518.38 and 438,373.08
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Solution
The fourth proportional to 777,843, 1,073,518.38 and 438,373.08 is: 605,008.41
Step by Step Solution
- Step 1: Write the proportion equation
777,843 : 1,073,518.38 = 438,373.08 : x - Step 2: Convert to fraction form
777,843/1,073,518.38 = 438,373.08/x - Step 3: Cross multiply
777,843x = 1,073,518.38 × 438,373.08 - Step 4: Simplify right side
777,843x = 470,601,558,677.21 - Step 5: Solve for x
x = 470,601,558,677.21/777,843 - Step 6: Final answer
x = 605,008.41
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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.