Finding the Fourth Proportional to 756,649.36, 1,044,187.70 and 412,485.49
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Solution
The fourth proportional to 756,649.36, 1,044,187.70 and 412,485.49 is: 569,236.28
Step by Step Solution
- Step 1: Write the proportion equation
756,649.36 : 1,044,187.70 = 412,485.49 : x - Step 2: Convert to fraction form
756,649.36/1,044,187.70 = 412,485.49/x - Step 3: Cross multiply
756,649.36x = 1,044,187.70 × 412,485.49 - Step 4: Simplify right side
756,649.36x = 430,712,267,803.11 - Step 5: Solve for x
x = 430,712,267,803.11/756,649.36 - Step 6: Final answer
x = 569,236.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.