Finding the Fourth Proportional to 950,396.84, 1,311,641.71 and 542,560.07
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Solution
The fourth proportional to 950,396.84, 1,311,641.71 and 542,560.07 is: 748,786.60
Step by Step Solution
- Step 1: Write the proportion equation
950,396.84 : 1,311,641.71 = 542,560.07 : x - Step 2: Convert to fraction form
950,396.84/1,311,641.71 = 542,560.07/x - Step 3: Cross multiply
950,396.84x = 1,311,641.71 × 542,560.07 - Step 4: Simplify right side
950,396.84x = 711,644,419,915.22 - Step 5: Solve for x
x = 711,644,419,915.22/950,396.84 - Step 6: Final answer
x = 748,786.60
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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.