Finding the Fourth Proportional to 416,089.80, 624,134.70 and 404,425.80
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Solution
The fourth proportional to 416,089.80, 624,134.70 and 404,425.80 is: 606,638.70
Step by Step Solution
- Step 1: Write the proportion equation
416,089.80 : 624,134.70 = 404,425.80 : x - Step 2: Convert to fraction form
416,089.80/624,134.70 = 404,425.80/x - Step 3: Cross multiply
416,089.80x = 624,134.70 × 404,425.80 - Step 4: Simplify right side
416,089.80x = 252,416,175,355.26 - Step 5: Solve for x
x = 252,416,175,355.26/416,089.80 - Step 6: Final answer
x = 606,638.70
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1.5x scale
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.