Finding the Fourth Proportional to 476,767.74, 658,112.12 and 315,674.68
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Solution
The fourth proportional to 476,767.74, 658,112.12 and 315,674.68 is: 435,745.38
Step by Step Solution
- Step 1: Write the proportion equation
476,767.74 : 658,112.12 = 315,674.68 : x - Step 2: Convert to fraction form
476,767.74/658,112.12 = 315,674.68/x - Step 3: Cross multiply
476,767.74x = 658,112.12 × 315,674.68 - Step 4: Simplify right side
476,767.74x = 207,749,336,142.23 - Step 5: Solve for x
x = 207,749,336,142.23/476,767.74 - Step 6: Final answer
x = 435,745.38
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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.