Finding the Fourth Proportional to 943,400.76, 1,301,876.19 and 513,673.08
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Solution
The fourth proportional to 943,400.76, 1,301,876.19 and 513,673.08 is: 708,859.67
Step by Step Solution
- Step 1: Write the proportion equation
943,400.76 : 1,301,876.19 = 513,673.08 : x - Step 2: Convert to fraction form
943,400.76/1,301,876.19 = 513,673.08/x - Step 3: Cross multiply
943,400.76x = 1,301,876.19 × 513,673.08 - Step 4: Simplify right side
943,400.76x = 668,738,752,295.97 - Step 5: Solve for x
x = 668,738,752,295.97/943,400.76 - Step 6: Final answer
x = 708,859.67
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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.