Finding the Fourth Proportional to 764,062.95, 1,146,132.51 and 290,784.99
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Solution
The fourth proportional to 764,062.95, 1,146,132.51 and 290,784.99 is: 436,191.98
Step by Step Solution
- Step 1: Write the proportion equation
764,062.95 : 1,146,132.51 = 290,784.99 : x - Step 2: Convert to fraction form
764,062.95/1,146,132.51 = 290,784.99/x - Step 3: Cross multiply
764,062.95x = 1,146,132.51 × 290,784.99 - Step 4: Simplify right side
764,062.95x = 333,278,130,459.03 - Step 5: Solve for x
x = 333,278,130,459.03/764,062.95 - Step 6: Final answer
x = 436,191.98
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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.