Finding the Fourth Proportional to 764,259.38, 1,144,812.99 and 447,756.02
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Solution
The fourth proportional to 764,259.38, 1,144,812.99 and 447,756.02 is: 670,710.65
Step by Step Solution
- Step 1: Write the proportion equation
764,259.38 : 1,144,812.99 = 447,756.02 : x - Step 2: Convert to fraction form
764,259.38/1,144,812.99 = 447,756.02/x - Step 3: Cross multiply
764,259.38x = 1,144,812.99 × 447,756.02 - Step 4: Simplify right side
764,259.38x = 512,596,908,046.70 - Step 5: Solve for x
x = 512,596,908,046.70/764,259.38 - Step 6: Final answer
x = 670,710.65
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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.