Finding the Fourth Proportional to 944,697.94, 1,416,900.81 and 345,518.97
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Solution
The fourth proportional to 944,697.94, 1,416,900.81 and 345,518.97 is: 518,225.02
Step by Step Solution
- Step 1: Write the proportion equation
944,697.94 : 1,416,900.81 = 345,518.97 : x - Step 2: Convert to fraction form
944,697.94/1,416,900.81 = 345,518.97/x - Step 3: Cross multiply
944,697.94x = 1,416,900.81 × 345,518.97 - Step 4: Simplify right side
944,697.94x = 489,566,108,463.37 - Step 5: Solve for x
x = 489,566,108,463.37/944,697.94 - Step 6: Final answer
x = 518,225.02
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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.