Finding the Fourth Proportional to 746,195.20, 1,118,682.88 and 347,084.80
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Solution
The fourth proportional to 746,195.20, 1,118,682.88 and 347,084.80 is: 520,343.50
Step by Step Solution
- Step 1: Write the proportion equation
746,195.20 : 1,118,682.88 = 347,084.80 : x - Step 2: Convert to fraction form
746,195.20/1,118,682.88 = 347,084.80/x - Step 3: Cross multiply
746,195.20x = 1,118,682.88 × 347,084.80 - Step 4: Simplify right side
746,195.20x = 388,277,823,668.22 - Step 5: Solve for x
x = 388,277,823,668.22/746,195.20 - Step 6: Final answer
x = 520,343.50
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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.