Finding the Fourth Proportional to 446,710.68, 616,604.40 and 285,998.58
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Solution
The fourth proportional to 446,710.68, 616,604.40 and 285,998.58 is: 394,770.02
Step by Step Solution
- Step 1: Write the proportion equation
446,710.68 : 616,604.40 = 285,998.58 : x - Step 2: Convert to fraction form
446,710.68/616,604.40 = 285,998.58/x - Step 3: Cross multiply
446,710.68x = 616,604.40 × 285,998.58 - Step 4: Simplify right side
446,710.68x = 176,347,982,821.75 - Step 5: Solve for x
x = 176,347,982,821.75/446,710.68 - Step 6: Final answer
x = 394,770.02
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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.