Finding the Fourth Proportional to 993,162.68, 1,489,831.86 and 283,175.48
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Solution
The fourth proportional to 993,162.68, 1,489,831.86 and 283,175.48 is: 424,788.27
Step by Step Solution
- Step 1: Write the proportion equation
993,162.68 : 1,489,831.86 = 283,175.48 : x - Step 2: Convert to fraction form
993,162.68/1,489,831.86 = 283,175.48/x - Step 3: Cross multiply
993,162.68x = 1,489,831.86 × 283,175.48 - Step 4: Simplify right side
993,162.68x = 421,883,852,074.79 - Step 5: Solve for x
x = 421,883,852,074.79/993,162.68 - Step 6: Final answer
x = 424,788.27
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.