Finding the Fourth Proportional to 624,106.20, 936,159.30 and 411,529.80
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Solution
The fourth proportional to 624,106.20, 936,159.30 and 411,529.80 is: 617,294.70
Step by Step Solution
- Step 1: Write the proportion equation
624,106.20 : 936,159.30 = 411,529.80 : x - Step 2: Convert to fraction form
624,106.20/936,159.30 = 411,529.80/x - Step 3: Cross multiply
624,106.20x = 936,159.30 × 411,529.80 - Step 4: Simplify right side
624,106.20x = 385,257,449,497.14 - Step 5: Solve for x
x = 385,257,449,497.14/624,106.20 - Step 6: Final answer
x = 617,294.70
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Similar ratio
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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.