Finding the Fourth Proportional to 764,064.95, 1,146,135.51 and 290,786.99
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Solution
The fourth proportional to 764,064.95, 1,146,135.51 and 290,786.99 is: 436,194.98
Step by Step Solution
- Step 1: Write the proportion equation
764,064.95 : 1,146,135.51 = 290,786.99 : x - Step 2: Convert to fraction form
764,064.95/1,146,135.51 = 290,786.99/x - Step 3: Cross multiply
764,064.95x = 1,146,135.51 × 290,786.99 - Step 4: Simplify right side
764,064.95x = 333,281,295,085.02 - Step 5: Solve for x
x = 333,281,295,085.02/764,064.95 - Step 6: Final answer
x = 436,194.98
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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.