Finding the Fourth Proportional to 759,609.92, 1,048,234.20 and 415,434.08
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Solution
The fourth proportional to 759,609.92, 1,048,234.20 and 415,434.08 is: 573,284.00
Step by Step Solution
- Step 1: Write the proportion equation
759,609.92 : 1,048,234.20 = 415,434.08 : x - Step 2: Convert to fraction form
759,609.92/1,048,234.20 = 415,434.08/x - Step 3: Cross multiply
759,609.92x = 1,048,234.20 × 415,434.08 - Step 4: Simplify right side
759,609.92x = 435,472,210,501.54 - Step 5: Solve for x
x = 435,472,210,501.54/759,609.92 - Step 6: Final answer
x = 573,284.00
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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.