Finding the Fourth Proportional to 890,114.68, 1,334,857.58 and 384,655.24
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Solution
The fourth proportional to 890,114.68, 1,334,857.58 and 384,655.24 is: 576,846.98
Step by Step Solution
- Step 1: Write the proportion equation
890,114.68 : 1,334,857.58 = 384,655.24 : x - Step 2: Convert to fraction form
890,114.68/1,334,857.58 = 384,655.24/x - Step 3: Cross multiply
890,114.68x = 1,334,857.58 × 384,655.24 - Step 4: Simplify right side
890,114.68x = 513,459,962,800.72 - Step 5: Solve for x
x = 513,459,962,800.72/890,114.68 - Step 6: Final answer
x = 576,846.98
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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.