Finding the Fourth Proportional to 709,515.56, 1,063,349.20 and 288,299
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Solution
The fourth proportional to 709,515.56, 1,063,349.20 and 288,299 is: 432,072.99
Step by Step Solution
- Step 1: Write the proportion equation
709,515.56 : 1,063,349.20 = 288,299 : x - Step 2: Convert to fraction form
709,515.56/1,063,349.20 = 288,299/x - Step 3: Cross multiply
709,515.56x = 1,063,349.20 × 288,299 - Step 4: Simplify right side
709,515.56x = 306,562,511,010.80 - Step 5: Solve for x
x = 306,562,511,010.80/709,515.56 - Step 6: Final answer
x = 432,072.99
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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.