Finding the Fourth Proportional to 561,123.44, 774,350.34 and 306,475.23
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Solution
The fourth proportional to 561,123.44, 774,350.34 and 306,475.23 is: 422,935.81
Step by Step Solution
- Step 1: Write the proportion equation
561,123.44 : 774,350.34 = 306,475.23 : x - Step 2: Convert to fraction form
561,123.44/774,350.34 = 306,475.23/x - Step 3: Cross multiply
561,123.44x = 774,350.34 × 306,475.23 - Step 4: Simplify right side
561,123.44x = 237,319,198,552.08 - Step 5: Solve for x
x = 237,319,198,552.08/561,123.44 - Step 6: Final answer
x = 422,935.81
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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.