Finding the Fourth Proportional to 1,307,278.62, 1,960,919.48 and 408,725.07
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Solution
The fourth proportional to 1,307,278.62, 1,960,919.48 and 408,725.07 is: 613,088.09
Step by Step Solution
- Step 1: Write the proportion equation
1,307,278.62 : 1,960,919.48 = 408,725.07 : x - Step 2: Convert to fraction form
1,307,278.62/1,960,919.48 = 408,725.07/x - Step 3: Cross multiply
1,307,278.62x = 1,960,919.48 × 408,725.07 - Step 4: Simplify right side
1,307,278.62x = 801,476,949,683.74 - Step 5: Solve for x
x = 801,476,949,683.74/1,307,278.62 - Step 6: Final answer
x = 613,088.09
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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.