Finding the Fourth Proportional to 964,400.76, 1,331,912.70 and 752,077.08
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Solution
The fourth proportional to 964,400.76, 1,331,912.70 and 752,077.08 is: 1,038,677.13
Step by Step Solution
- Step 1: Write the proportion equation
964,400.76 : 1,331,912.70 = 752,077.08 : x - Step 2: Convert to fraction form
964,400.76/1,331,912.70 = 752,077.08/x - Step 3: Cross multiply
964,400.76x = 1,331,912.70 × 752,077.08 - Step 4: Simplify right side
964,400.76x = 1,001,701,014,230.92 - Step 5: Solve for x
x = 1,001,701,014,230.92/964,400.76 - Step 6: Final answer
x = 1,038,677.13
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.