Finding the Fourth Proportional to 823,121.10, 1,237,306.05 and 775,881.90
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Solution
The fourth proportional to 823,121.10, 1,237,306.05 and 775,881.90 is: 1,166,296.63
Step by Step Solution
- Step 1: Write the proportion equation
823,121.10 : 1,237,306.05 = 775,881.90 : x - Step 2: Convert to fraction form
823,121.10/1,237,306.05 = 775,881.90/x - Step 3: Cross multiply
823,121.10x = 1,237,306.05 × 775,881.90 - Step 4: Simplify right side
823,121.10x = 960,003,368,955.50 - Step 5: Solve for x
x = 960,003,368,955.50/823,121.10 - Step 6: Final answer
x = 1,166,296.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.