Finding the Fourth Proportional to 823,518.94, 1,235,378.08 and 290,930.98
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Solution
The fourth proportional to 823,518.94, 1,235,378.08 and 290,930.98 is: 436,431.68
Step by Step Solution
- Step 1: Write the proportion equation
823,518.94 : 1,235,378.08 = 290,930.98 : x - Step 2: Convert to fraction form
823,518.94/1,235,378.08 = 290,930.98/x - Step 3: Cross multiply
823,518.94x = 1,235,378.08 × 290,930.98 - Step 4: Simplify right side
823,518.94x = 359,409,755,484.92 - Step 5: Solve for x
x = 359,409,755,484.92/823,518.94 - Step 6: Final answer
x = 436,431.68
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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.