Finding the Fourth Proportional to 561,199.13, 774,454.75 and 303,076.05
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Solution
The fourth proportional to 561,199.13, 774,454.75 and 303,076.05 is: 418,244.92
Step by Step Solution
- Step 1: Write the proportion equation
561,199.13 : 774,454.75 = 303,076.05 : x - Step 2: Convert to fraction form
561,199.13/774,454.75 = 303,076.05/x - Step 3: Cross multiply
561,199.13x = 774,454.75 × 303,076.05 - Step 4: Simplify right side
561,199.13x = 234,718,686,533.74 - Step 5: Solve for x
x = 234,718,686,533.74/561,199.13 - Step 6: Final answer
x = 418,244.92
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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.