Finding the Fourth Proportional to 958,487.19, 1,322,704.94 and 528,785.43
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Solution
The fourth proportional to 958,487.19, 1,322,704.94 and 528,785.43 is: 729,719.82
Step by Step Solution
- Step 1: Write the proportion equation
958,487.19 : 1,322,704.94 = 528,785.43 : x - Step 2: Convert to fraction form
958,487.19/1,322,704.94 = 528,785.43/x - Step 3: Cross multiply
958,487.19x = 1,322,704.94 × 528,785.43 - Step 4: Simplify right side
958,487.19x = 699,427,097,817.10 - Step 5: Solve for x
x = 699,427,097,817.10/958,487.19 - Step 6: Final answer
x = 729,719.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.