Finding the Fourth Proportional to 866,052.35, 1,299,441.84 and 385,949.41
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Solution
The fourth proportional to 866,052.35, 1,299,441.84 and 385,949.41 is: 579,086.02
Step by Step Solution
- Step 1: Write the proportion equation
866,052.35 : 1,299,441.84 = 385,949.41 : x - Step 2: Convert to fraction form
866,052.35/1,299,441.84 = 385,949.41/x - Step 3: Cross multiply
866,052.35x = 1,299,441.84 × 385,949.41 - Step 4: Simplify right side
866,052.35x = 501,518,806,781.40 - Step 5: Solve for x
x = 501,518,806,781.40/866,052.35 - Step 6: Final answer
x = 579,086.02
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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.