Finding the Fourth Proportional to 688,912.97, 951,163.81 and 616,089.92
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Solution
The fourth proportional to 688,912.97, 951,163.81 and 616,089.92 is: 850,618.96
Step by Step Solution
- Step 1: Write the proportion equation
688,912.97 : 951,163.81 = 616,089.92 : x - Step 2: Convert to fraction form
688,912.97/951,163.81 = 616,089.92/x - Step 3: Cross multiply
688,912.97x = 951,163.81 × 616,089.92 - Step 4: Simplify right side
688,912.97x = 586,002,432,779.26 - Step 5: Solve for x
x = 586,002,432,779.26/688,912.97 - Step 6: Final answer
x = 850,618.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.