Finding the Fourth Proportional to 689,912.50, 952,069.71 and 383,988.99
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Solution
The fourth proportional to 689,912.50, 952,069.71 and 383,988.99 is: 529,899.50
Step by Step Solution
- Step 1: Write the proportion equation
689,912.50 : 952,069.71 = 383,988.99 : x - Step 2: Convert to fraction form
689,912.50/952,069.71 = 383,988.99/x - Step 3: Cross multiply
689,912.50x = 952,069.71 × 383,988.99 - Step 4: Simplify right side
689,912.50x = 365,584,286,007.32 - Step 5: Solve for x
x = 365,584,286,007.32/689,912.50 - Step 6: Final answer
x = 529,899.50
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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.