Finding the Fourth Proportional to 511,341.36, 705,675.09 and 284,988.48
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Solution
The fourth proportional to 511,341.36, 705,675.09 and 284,988.48 is: 393,297.49
Step by Step Solution
- Step 1: Write the proportion equation
511,341.36 : 705,675.09 = 284,988.48 : x - Step 2: Convert to fraction form
511,341.36/705,675.09 = 284,988.48/x - Step 3: Cross multiply
511,341.36x = 705,675.09 × 284,988.48 - Step 4: Simplify right side
511,341.36x = 201,109,271,272.96 - Step 5: Solve for x
x = 201,109,271,272.96/511,341.36 - Step 6: Final answer
x = 393,297.49
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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.