Finding the Fourth Proportional to 495,528.40, 743,292.60 and 412,859.80
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Solution
The fourth proportional to 495,528.40, 743,292.60 and 412,859.80 is: 619,289.70
Step by Step Solution
- Step 1: Write the proportion equation
495,528.40 : 743,292.60 = 412,859.80 : x - Step 2: Convert to fraction form
495,528.40/743,292.60 = 412,859.80/x - Step 3: Cross multiply
495,528.40x = 743,292.60 × 412,859.80 - Step 4: Simplify right side
495,528.40x = 306,875,634,177.48 - Step 5: Solve for x
x = 306,875,634,177.48/495,528.40 - Step 6: Final answer
x = 619,289.70
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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.