Finding the Fourth Proportional to 823,486.14, 1,235,328.84 and 290,898.18
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Solution
The fourth proportional to 823,486.14, 1,235,328.84 and 290,898.18 is: 436,382.46
Step by Step Solution
- Step 1: Write the proportion equation
823,486.14 : 1,235,328.84 = 290,898.18 : x - Step 2: Convert to fraction form
823,486.14/1,235,328.84 = 290,898.18/x - Step 3: Cross multiply
823,486.14x = 1,235,328.84 × 290,898.18 - Step 4: Simplify right side
823,486.14x = 359,354,911,257.51 - Step 5: Solve for x
x = 359,354,911,257.51/823,486.14 - Step 6: Final answer
x = 436,382.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.