Finding the Fourth Proportional to 786,677.55, 1,180,008.65 and 225,714.99
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Solution
The fourth proportional to 786,677.55, 1,180,008.65 and 225,714.99 is: 338,570.28
Step by Step Solution
- Step 1: Write the proportion equation
786,677.55 : 1,180,008.65 = 225,714.99 : x - Step 2: Convert to fraction form
786,677.55/1,180,008.65 = 225,714.99/x - Step 3: Cross multiply
786,677.55x = 1,180,008.65 × 225,714.99 - Step 4: Simplify right side
786,677.55x = 266,345,639,506.09 - Step 5: Solve for x
x = 266,345,639,506.09/786,677.55 - Step 6: Final answer
x = 338,570.28
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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.