Finding the Fourth Proportional to 680,769.05, 1,021,264.41 and 201,045.41
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Solution
The fourth proportional to 680,769.05, 1,021,264.41 and 201,045.41 is: 301,600.84
Step by Step Solution
- Step 1: Write the proportion equation
680,769.05 : 1,021,264.41 = 201,045.41 : x - Step 2: Convert to fraction form
680,769.05/1,021,264.41 = 201,045.41/x - Step 3: Cross multiply
680,769.05x = 1,021,264.41 × 201,045.41 - Step 4: Simplify right side
680,769.05x = 205,320,516,920.54 - Step 5: Solve for x
x = 205,320,516,920.54/680,769.05 - Step 6: Final answer
x = 301,600.84
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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.