Finding the Fourth Proportional to 898,454.62, 1,239,419.77 and 535,622.82
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Solution
The fourth proportional to 898,454.62, 1,239,419.77 and 535,622.82 is: 738,892.65
Step by Step Solution
- Step 1: Write the proportion equation
898,454.62 : 1,239,419.77 = 535,622.82 : x - Step 2: Convert to fraction form
898,454.62/1,239,419.77 = 535,622.82/x - Step 3: Cross multiply
898,454.62x = 1,239,419.77 × 535,622.82 - Step 4: Simplify right side
898,454.62x = 663,861,512,371.15 - Step 5: Solve for x
x = 663,861,512,371.15/898,454.62 - Step 6: Final answer
x = 738,892.65
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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.