Finding the Fourth Proportional to 815,468.10, 1,224,514.35 and 550,403.70
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Solution
The fourth proportional to 815,468.10, 1,224,514.35 and 550,403.70 is: 826,491.23
Step by Step Solution
- Step 1: Write the proportion equation
815,468.10 : 1,224,514.35 = 550,403.70 : x - Step 2: Convert to fraction form
815,468.10/1,224,514.35 = 550,403.70/x - Step 3: Cross multiply
815,468.10x = 1,224,514.35 × 550,403.70 - Step 4: Simplify right side
815,468.10x = 673,977,228,943.10 - Step 5: Solve for x
x = 673,977,228,943.10/815,468.10 - Step 6: Final answer
x = 826,491.23
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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.