Finding the Fourth Proportional to 862,676.43, 1,190,582.04 and 518,623.73
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Solution
The fourth proportional to 862,676.43, 1,190,582.04 and 518,623.73 is: 715,753.99
Step by Step Solution
- Step 1: Write the proportion equation
862,676.43 : 1,190,582.04 = 518,623.73 : x - Step 2: Convert to fraction form
862,676.43/1,190,582.04 = 518,623.73/x - Step 3: Cross multiply
862,676.43x = 1,190,582.04 × 518,623.73 - Step 4: Simplify right side
862,676.43x = 617,464,098,455.81 - Step 5: Solve for x
x = 617,464,098,455.81/862,676.43 - Step 6: Final answer
x = 715,753.99
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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.