Finding the Fourth Proportional to 484,983.05, 669,044.81 and 376,812.81
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Solution
The fourth proportional to 484,983.05, 669,044.81 and 376,812.81 is: 519,821.59
Step by Step Solution
- Step 1: Write the proportion equation
484,983.05 : 669,044.81 = 376,812.81 : x - Step 2: Convert to fraction form
484,983.05/669,044.81 = 376,812.81/x - Step 3: Cross multiply
484,983.05x = 669,044.81 × 376,812.81 - Step 4: Simplify right side
484,983.05x = 252,104,655,814.05 - Step 5: Solve for x
x = 252,104,655,814.05/484,983.05 - Step 6: Final answer
x = 519,821.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.