Finding the Fourth Proportional to 743,635.71, 1,115,444.66 and 270,317.07
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Solution
The fourth proportional to 743,635.71, 1,115,444.66 and 270,317.07 is: 405,472.37
Step by Step Solution
- Step 1: Write the proportion equation
743,635.71 : 1,115,444.66 = 270,317.07 : x - Step 2: Convert to fraction form
743,635.71/1,115,444.66 = 270,317.07/x - Step 3: Cross multiply
743,635.71x = 1,115,444.66 × 270,317.07 - Step 4: Simplify right side
743,635.71x = 301,523,730,886.76 - Step 5: Solve for x
x = 301,523,730,886.76/743,635.71 - Step 6: Final answer
x = 405,472.37
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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.