Finding the Fourth Proportional to 555,823.62, 766,753.70 and 351,531.09
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Solution
The fourth proportional to 555,823.62, 766,753.70 and 351,531.09 is: 484,933.98
Step by Step Solution
- Step 1: Write the proportion equation
555,823.62 : 766,753.70 = 351,531.09 : x - Step 2: Convert to fraction form
555,823.62/766,753.70 = 351,531.09/x - Step 3: Cross multiply
555,823.62x = 766,753.70 × 351,531.09 - Step 4: Simplify right side
555,823.62x = 269,537,762,164.88 - Step 5: Solve for x
x = 269,537,762,164.88/555,823.62 - Step 6: Final answer
x = 484,933.98
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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.