Finding the Fourth Proportional to 457,124.80, 684,520.80 and 363,812.80
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Solution
The fourth proportional to 457,124.80, 684,520.80 and 363,812.80 is: 544,790.89
Step by Step Solution
- Step 1: Write the proportion equation
457,124.80 : 684,520.80 = 363,812.80 : x - Step 2: Convert to fraction form
457,124.80/684,520.80 = 363,812.80/x - Step 3: Cross multiply
457,124.80x = 684,520.80 × 363,812.80 - Step 4: Simplify right side
457,124.80x = 249,037,428,906.24 - Step 5: Solve for x
x = 249,037,428,906.24/457,124.80 - Step 6: Final answer
x = 544,790.89
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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.