Finding the Fourth Proportional to 561,125.20, 774,352.76 and 306,476.99
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Solution
The fourth proportional to 561,125.20, 774,352.76 and 306,476.99 is: 422,938.24
Step by Step Solution
- Step 1: Write the proportion equation
561,125.20 : 774,352.76 = 306,476.99 : x - Step 2: Convert to fraction form
561,125.20/774,352.76 = 306,476.99/x - Step 3: Cross multiply
561,125.20x = 774,352.76 × 306,476.99 - Step 4: Simplify right side
561,125.20x = 237,321,301,550.61 - Step 5: Solve for x
x = 237,321,301,550.61/561,125.20 - Step 6: Final answer
x = 422,938.24
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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.