Finding the Fourth Proportional to 476,809.26, 715,338.24 and 276,937.48
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Solution
The fourth proportional to 476,809.26, 715,338.24 and 276,937.48 is: 415,478.45
Step by Step Solution
- Step 1: Write the proportion equation
476,809.26 : 715,338.24 = 276,937.48 : x - Step 2: Convert to fraction form
476,809.26/715,338.24 = 276,937.48/x - Step 3: Cross multiply
476,809.26x = 715,338.24 × 276,937.48 - Step 4: Simplify right side
476,809.26x = 198,103,969,533.24 - Step 5: Solve for x
x = 198,103,969,533.24/476,809.26 - Step 6: Final answer
x = 415,478.45
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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.