Finding the Fourth Proportional to 561,041.14, 774,232.68 and 306,392.26
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Solution
The fourth proportional to 561,041.14, 774,232.68 and 306,392.26 is: 422,819.08
Step by Step Solution
- Step 1: Write the proportion equation
561,041.14 : 774,232.68 = 306,392.26 : x - Step 2: Convert to fraction form
561,041.14/774,232.68 = 306,392.26/x - Step 3: Cross multiply
561,041.14x = 774,232.68 × 306,392.26 - Step 4: Simplify right side
561,041.14x = 237,218,900,591.06 - Step 5: Solve for x
x = 237,218,900,591.06/561,041.14 - Step 6: Final answer
x = 422,819.08
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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.