Finding the Fourth Proportional to 862,366.91, 1,190,066.99 and 480,394.60
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Solution
The fourth proportional to 862,366.91, 1,190,066.99 and 480,394.60 is: 662,944.91
Step by Step Solution
- Step 1: Write the proportion equation
862,366.91 : 1,190,066.99 = 480,394.60 : x - Step 2: Convert to fraction form
862,366.91/1,190,066.99 = 480,394.60/x - Step 3: Cross multiply
862,366.91x = 1,190,066.99 × 480,394.60 - Step 4: Simplify right side
862,366.91x = 571,701,750,257.11 - Step 5: Solve for x
x = 571,701,750,257.11/862,366.91 - Step 6: Final answer
x = 662,944.91
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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.