Finding the Fourth Proportional to 759,080.19, 1,138,679.08 and 253,642.92
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Solution
The fourth proportional to 759,080.19, 1,138,679.08 and 253,642.92 is: 380,484.02
Step by Step Solution
- Step 1: Write the proportion equation
759,080.19 : 1,138,679.08 = 253,642.92 : x - Step 2: Convert to fraction form
759,080.19/1,138,679.08 = 253,642.92/x - Step 3: Cross multiply
759,080.19x = 1,138,679.08 × 253,642.92 - Step 4: Simplify right side
759,080.19x = 288,817,882,679.20 - Step 5: Solve for x
x = 288,817,882,679.20/759,080.19 - Step 6: Final answer
x = 380,484.02
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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.