Finding the Fourth Proportional to 561,481.36, 774,788.74 and 343,751.41
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Solution
The fourth proportional to 561,481.36, 774,788.74 and 343,751.41 is: 474,342.94
Step by Step Solution
- Step 1: Write the proportion equation
561,481.36 : 774,788.74 = 343,751.41 : x - Step 2: Convert to fraction form
561,481.36/774,788.74 = 343,751.41/x - Step 3: Cross multiply
561,481.36x = 774,788.74 × 343,751.41 - Step 4: Simplify right side
561,481.36x = 266,334,719,030.77 - Step 5: Solve for x
x = 266,334,719,030.77/561,481.36 - Step 6: Final answer
x = 474,342.94
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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.