Finding the Fourth Proportional to 674,478.68, 1,012,418.75 and 451,397.99
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Solution
The fourth proportional to 674,478.68, 1,012,418.75 and 451,397.99 is: 677,565.96
Step by Step Solution
- Step 1: Write the proportion equation
674,478.68 : 1,012,418.75 = 451,397.99 : x - Step 2: Convert to fraction form
674,478.68/1,012,418.75 = 451,397.99/x - Step 3: Cross multiply
674,478.68x = 1,012,418.75 × 451,397.99 - Step 4: Simplify right side
674,478.68x = 457,003,792,447.85 - Step 5: Solve for x
x = 457,003,792,447.85/674,478.68 - Step 6: Final answer
x = 677,565.96
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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.