Finding the Fourth Proportional to 680,472.14, 1,021,103.67 and 376,897.10
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Solution
The fourth proportional to 680,472.14, 1,021,103.67 and 376,897.10 is: 565,564.69
Step by Step Solution
- Step 1: Write the proportion equation
680,472.14 : 1,021,103.67 = 376,897.10 : x - Step 2: Convert to fraction form
680,472.14/1,021,103.67 = 376,897.10/x - Step 3: Cross multiply
680,472.14x = 1,021,103.67 × 376,897.10 - Step 4: Simplify right side
680,472.14x = 384,851,012,022.36 - Step 5: Solve for x
x = 384,851,012,022.36/680,472.14 - Step 6: Final answer
x = 565,564.69
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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.