Finding the Fourth Proportional to 685,348.20, 1,027,395.36 and 264,306.96
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Solution
The fourth proportional to 685,348.20, 1,027,395.36 and 264,306.96 is: 396,218.66
Step by Step Solution
- Step 1: Write the proportion equation
685,348.20 : 1,027,395.36 = 264,306.96 : x - Step 2: Convert to fraction form
685,348.20/1,027,395.36 = 264,306.96/x - Step 3: Cross multiply
685,348.20x = 1,027,395.36 × 264,306.96 - Step 4: Simplify right side
685,348.20x = 271,547,744,319.71 - Step 5: Solve for x
x = 271,547,744,319.71/685,348.20 - Step 6: Final answer
x = 396,218.66
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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.