Finding the Fourth Proportional to 561,125.44, 774,353.10 and 306,477.23
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Solution
The fourth proportional to 561,125.44, 774,353.10 and 306,477.23 is: 422,938.57
Step by Step Solution
- Step 1: Write the proportion equation
561,125.44 : 774,353.10 = 306,477.23 : x - Step 2: Convert to fraction form
561,125.44/774,353.10 = 306,477.23/x - Step 3: Cross multiply
561,125.44x = 774,353.10 × 306,477.23 - Step 4: Simplify right side
561,125.44x = 237,321,593,129.91 - Step 5: Solve for x
x = 237,321,593,129.91/561,125.44 - Step 6: Final answer
x = 422,938.57
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1.5x scale
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.