Finding the Fourth Proportional to 743,995.62, 1,115,953.47 and 436,418.82
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Solution
The fourth proportional to 743,995.62, 1,115,953.47 and 436,418.82 is: 654,604.79
Step by Step Solution
- Step 1: Write the proportion equation
743,995.62 : 1,115,953.47 = 436,418.82 : x - Step 2: Convert to fraction form
743,995.62/1,115,953.47 = 436,418.82/x - Step 3: Cross multiply
743,995.62x = 1,115,953.47 × 436,418.82 - Step 4: Simplify right side
743,995.62x = 487,023,096,552.31 - Step 5: Solve for x
x = 487,023,096,552.31/743,995.62 - Step 6: Final answer
x = 654,604.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.