Finding the Fourth Proportional to 936,580.91, 1,292,481.56 and 506,861.12
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Solution
The fourth proportional to 936,580.91, 1,292,481.56 and 506,861.12 is: 699,468.30
Step by Step Solution
- Step 1: Write the proportion equation
936,580.91 : 1,292,481.56 = 506,861.12 : x - Step 2: Convert to fraction form
936,580.91/1,292,481.56 = 506,861.12/x - Step 3: Cross multiply
936,580.91x = 1,292,481.56 × 506,861.12 - Step 4: Simplify right side
936,580.91x = 655,108,655,579.30 - Step 5: Solve for x
x = 655,108,655,579.30/936,580.91 - Step 6: Final answer
x = 699,468.30
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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.