Finding the Fourth Proportional to 943,540.60, 1,302,101.60 and 513,829.12
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Solution
The fourth proportional to 943,540.60, 1,302,101.60 and 513,829.12 is: 709,092.67
Step by Step Solution
- Step 1: Write the proportion equation
943,540.60 : 1,302,101.60 = 513,829.12 : x - Step 2: Convert to fraction form
943,540.60/1,302,101.60 = 513,829.12/x - Step 3: Cross multiply
943,540.60x = 1,302,101.60 × 513,829.12 - Step 4: Simplify right side
943,540.60x = 669,057,719,278.59 - Step 5: Solve for x
x = 669,057,719,278.59/943,540.60 - Step 6: Final answer
x = 709,092.67
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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.