Finding the Fourth Proportional to 997,974.29, 1,377,814.84 and 649,446.80
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Solution
The fourth proportional to 997,974.29, 1,377,814.84 and 649,446.80 is: 896,633.75
Step by Step Solution
- Step 1: Write the proportion equation
997,974.29 : 1,377,814.84 = 649,446.80 : x - Step 2: Convert to fraction form
997,974.29/1,377,814.84 = 649,446.80/x - Step 3: Cross multiply
997,974.29x = 1,377,814.84 × 649,446.80 - Step 4: Simplify right side
997,974.29x = 894,817,430,317.82 - Step 5: Solve for x
x = 894,817,430,317.82/997,974.29 - Step 6: Final answer
x = 896,633.75
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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.