Finding the Fourth Proportional to 752,517.92, 1,038,440.04 and 412,991.84
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Solution
The fourth proportional to 752,517.92, 1,038,440.04 and 412,991.84 is: 569,909.70
Step by Step Solution
- Step 1: Write the proportion equation
752,517.92 : 1,038,440.04 = 412,991.84 : x - Step 2: Convert to fraction form
752,517.92/1,038,440.04 = 412,991.84/x - Step 3: Cross multiply
752,517.92x = 1,038,440.04 × 412,991.84 - Step 4: Simplify right side
752,517.92x = 428,867,262,849.27 - Step 5: Solve for x
x = 428,867,262,849.27/752,517.92 - Step 6: Final answer
x = 569,909.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.