Finding the Fourth Proportional to 555,732.79, 766,629.09 and 351,439.65
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Solution
The fourth proportional to 555,732.79, 766,629.09 and 351,439.65 is: 484,808.28
Step by Step Solution
- Step 1: Write the proportion equation
555,732.79 : 766,629.09 = 351,439.65 : x - Step 2: Convert to fraction form
555,732.79/766,629.09 = 351,439.65/x - Step 3: Cross multiply
555,732.79x = 766,629.09 × 351,439.65 - Step 4: Simplify right side
555,732.79x = 269,423,859,069.42 - Step 5: Solve for x
x = 269,423,859,069.42/555,732.79 - Step 6: Final answer
x = 484,808.28
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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.