Finding the Fourth Proportional to 656,318.10, 921,644.70 and 656,318.10
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Solution
The fourth proportional to 656,318.10, 921,644.70 and 656,318.10 is: 921,644.70
Step by Step Solution
- Step 1: Write the proportion equation
656,318.10 : 921,644.70 = 656,318.10 : x - Step 2: Convert to fraction form
656,318.10/921,644.70 = 656,318.10/x - Step 3: Cross multiply
656,318.10x = 921,644.70 × 656,318.10 - Step 4: Simplify right side
656,318.10x = 604,892,098,379.07 - Step 5: Solve for x
x = 604,892,098,379.07/656,318.10 - Step 6: Final answer
x = 921,644.70
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.