Finding the Fourth Proportional to 522,773.19, 721,423.67 and 290,197.62
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Solution
The fourth proportional to 522,773.19, 721,423.67 and 290,197.62 is: 400,470.86
Step by Step Solution
- Step 1: Write the proportion equation
522,773.19 : 721,423.67 = 290,197.62 : x - Step 2: Convert to fraction form
522,773.19/721,423.67 = 290,197.62/x - Step 3: Cross multiply
522,773.19x = 721,423.67 × 290,197.62 - Step 4: Simplify right side
522,773.19x = 209,355,430,594.68 - Step 5: Solve for x
x = 209,355,430,594.68/522,773.19 - Step 6: Final answer
x = 400,470.86
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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.