Finding the Fourth Proportional to 698,213.09, 1,047,401.63 and 248,997.81
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Solution
The fourth proportional to 698,213.09, 1,047,401.63 and 248,997.81 is: 373,525.96
Step by Step Solution
- Step 1: Write the proportion equation
698,213.09 : 1,047,401.63 = 248,997.81 : x - Step 2: Convert to fraction form
698,213.09/1,047,401.63 = 248,997.81/x - Step 3: Cross multiply
698,213.09x = 1,047,401.63 × 248,997.81 - Step 4: Simplify right side
698,213.09x = 260,800,710,815.44 - Step 5: Solve for x
x = 260,800,710,815.44/698,213.09 - Step 6: Final answer
x = 373,525.96
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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.