Finding the Fourth Proportional to 898,653.62, 1,347,605.66 and 365,812.94
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Solution
The fourth proportional to 898,653.62, 1,347,605.66 and 365,812.94 is: 548,566.85
Step by Step Solution
- Step 1: Write the proportion equation
898,653.62 : 1,347,605.66 = 365,812.94 : x - Step 2: Convert to fraction form
898,653.62/1,347,605.66 = 365,812.94/x - Step 3: Cross multiply
898,653.62x = 1,347,605.66 × 365,812.94 - Step 4: Simplify right side
898,653.62x = 492,971,588,445.24 - Step 5: Solve for x
x = 492,971,588,445.24/898,653.62 - Step 6: Final answer
x = 548,566.85
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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.