Finding the Fourth Proportional to 708,137.28, 977,217.09 and 385,850.04
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Solution
The fourth proportional to 708,137.28, 977,217.09 and 385,850.04 is: 532,466.32
Step by Step Solution
- Step 1: Write the proportion equation
708,137.28 : 977,217.09 = 385,850.04 : x - Step 2: Convert to fraction form
708,137.28/977,217.09 = 385,850.04/x - Step 3: Cross multiply
708,137.28x = 977,217.09 × 385,850.04 - Step 4: Simplify right side
708,137.28x = 377,059,253,265.18 - Step 5: Solve for x
x = 377,059,253,265.18/708,137.28 - Step 6: Final answer
x = 532,466.32
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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.