Finding the Fourth Proportional to 549,505.08, 756,554.58 and 428,491.08
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Solution
The fourth proportional to 549,505.08, 756,554.58 and 428,491.08 is: 589,943.39
Step by Step Solution
- Step 1: Write the proportion equation
549,505.08 : 756,554.58 = 428,491.08 : x - Step 2: Convert to fraction form
549,505.08/756,554.58 = 428,491.08/x - Step 3: Cross multiply
549,505.08x = 756,554.58 × 428,491.08 - Step 4: Simplify right side
549,505.08x = 324,176,889,063.15 - Step 5: Solve for x
x = 324,176,889,063.15/549,505.08 - Step 6: Final answer
x = 589,943.39
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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.