Finding the Fourth Proportional to 749,693.18, 1,124,540.04 and 217,214.58
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Solution
The fourth proportional to 749,693.18, 1,124,540.04 and 217,214.58 is: 325,821.95
Step by Step Solution
- Step 1: Write the proportion equation
749,693.18 : 1,124,540.04 = 217,214.58 : x - Step 2: Convert to fraction form
749,693.18/1,124,540.04 = 217,214.58/x - Step 3: Cross multiply
749,693.18x = 1,124,540.04 × 217,214.58 - Step 4: Simplify right side
749,693.18x = 244,266,492,481.78 - Step 5: Solve for x
x = 244,266,492,481.78/749,693.18 - Step 6: Final answer
x = 325,821.95
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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.