Finding the Fourth Proportional to 772,616.26, 1,159,243.26 and 417,211.75
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Solution
The fourth proportional to 772,616.26, 1,159,243.26 and 417,211.75 is: 625,989.81
Step by Step Solution
- Step 1: Write the proportion equation
772,616.26 : 1,159,243.26 = 417,211.75 : x - Step 2: Convert to fraction form
772,616.26/1,159,243.26 = 417,211.75/x - Step 3: Cross multiply
772,616.26x = 1,159,243.26 × 417,211.75 - Step 4: Simplify right side
772,616.26x = 483,649,909,180.31 - Step 5: Solve for x
x = 483,649,909,180.31/772,616.26 - Step 6: Final answer
x = 625,989.81
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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.