Finding the Fourth Proportional to 679,207.60, 1,017,480.30 and 394,300.99
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Solution
The fourth proportional to 679,207.60, 1,017,480.30 and 394,300.99 is: 590,678.74
Step by Step Solution
- Step 1: Write the proportion equation
679,207.60 : 1,017,480.30 = 394,300.99 : x - Step 2: Convert to fraction form
679,207.60/1,017,480.30 = 394,300.99/x - Step 3: Cross multiply
679,207.60x = 1,017,480.30 × 394,300.99 - Step 4: Simplify right side
679,207.60x = 401,193,489,595.50 - Step 5: Solve for x
x = 401,193,489,595.50/679,207.60 - Step 6: Final answer
x = 590,678.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.