Finding the Fourth Proportional to 754,604.84, 1,131,633.36 and 413,301.80
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Solution
The fourth proportional to 754,604.84, 1,131,633.36 and 413,301.80 is: 619,802.68
Step by Step Solution
- Step 1: Write the proportion equation
754,604.84 : 1,131,633.36 = 413,301.80 : x - Step 2: Convert to fraction form
754,604.84/1,131,633.36 = 413,301.80/x - Step 3: Cross multiply
754,604.84x = 1,131,633.36 × 413,301.80 - Step 4: Simplify right side
754,604.84x = 467,706,104,628.05 - Step 5: Solve for x
x = 467,706,104,628.05/754,604.84 - Step 6: Final answer
x = 619,802.68
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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.