Finding the Fourth Proportional to 557,099.88, 768,797.84 and 302,451.08
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Solution
The fourth proportional to 557,099.88, 768,797.84 and 302,451.08 is: 417,382.48
Step by Step Solution
- Step 1: Write the proportion equation
557,099.88 : 768,797.84 = 302,451.08 : x - Step 2: Convert to fraction form
557,099.88/768,797.84 = 302,451.08/x - Step 3: Cross multiply
557,099.88x = 768,797.84 × 302,451.08 - Step 4: Simplify right side
557,099.88x = 232,523,731,653.42 - Step 5: Solve for x
x = 232,523,731,653.42/557,099.88 - Step 6: Final answer
x = 417,382.48
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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.