Finding the Fourth Proportional to 755,752.12, 1,133,601.18 and 329,287.12
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Solution
The fourth proportional to 755,752.12, 1,133,601.18 and 329,287.12 is: 493,918.92
Step by Step Solution
- Step 1: Write the proportion equation
755,752.12 : 1,133,601.18 = 329,287.12 : x - Step 2: Convert to fraction form
755,752.12/1,133,601.18 = 329,287.12/x - Step 3: Cross multiply
755,752.12x = 1,133,601.18 × 329,287.12 - Step 4: Simplify right side
755,752.12x = 373,280,267,790.80 - Step 5: Solve for x
x = 373,280,267,790.80/755,752.12 - Step 6: Final answer
x = 493,918.92
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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.