Finding the Fourth Proportional to 571,400.38, 788,329.20 and 329,744.08
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Solution
The fourth proportional to 571,400.38, 788,329.20 and 329,744.08 is: 454,929.50
Step by Step Solution
- Step 1: Write the proportion equation
571,400.38 : 788,329.20 = 329,744.08 : x - Step 2: Convert to fraction form
571,400.38/788,329.20 = 329,744.08/x - Step 3: Cross multiply
571,400.38x = 788,329.20 × 329,744.08 - Step 4: Simplify right side
571,400.38x = 259,946,886,791.14 - Step 5: Solve for x
x = 259,946,886,791.14/571,400.38 - Step 6: Final answer
x = 454,929.50
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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.