Finding the Fourth Proportional to 988,761.09, 1,483,282.71 and 305,706.72
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Solution
The fourth proportional to 988,761.09, 1,483,282.71 and 305,706.72 is: 458,603.70
Step by Step Solution
- Step 1: Write the proportion equation
988,761.09 : 1,483,282.71 = 305,706.72 : x - Step 2: Convert to fraction form
988,761.09/1,483,282.71 = 305,706.72/x - Step 3: Cross multiply
988,761.09x = 1,483,282.71 × 305,706.72 - Step 4: Simplify right side
988,761.09x = 453,449,492,106.81 - Step 5: Solve for x
x = 453,449,492,106.81/988,761.09 - Step 6: Final answer
x = 458,603.70
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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.