Finding the Fourth Proportional to 944,788.05, 1,416,766.55 and 345,593.79
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Solution
The fourth proportional to 944,788.05, 1,416,766.55 and 345,593.79 is: 518,238.69
Step by Step Solution
- Step 1: Write the proportion equation
944,788.05 : 1,416,766.55 = 345,593.79 : x - Step 2: Convert to fraction form
944,788.05/1,416,766.55 = 345,593.79/x - Step 3: Cross multiply
944,788.05x = 1,416,766.55 × 345,593.79 - Step 4: Simplify right side
944,788.05x = 489,625,719,831.76 - Step 5: Solve for x
x = 489,625,719,831.76/944,788.05 - Step 6: Final answer
x = 518,238.69
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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.