Finding the Fourth Proportional to 690,501.24, 952,633.80 and 689,436.84
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Solution
The fourth proportional to 690,501.24, 952,633.80 and 689,436.84 is: 951,165.33
Step by Step Solution
- Step 1: Write the proportion equation
690,501.24 : 952,633.80 = 689,436.84 : x - Step 2: Convert to fraction form
690,501.24/952,633.80 = 689,436.84/x - Step 3: Cross multiply
690,501.24x = 952,633.80 × 689,436.84 - Step 4: Simplify right side
690,501.24x = 656,780,836,749.19 - Step 5: Solve for x
x = 656,780,836,749.19/690,501.24 - Step 6: Final answer
x = 951,165.33
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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.