Finding the Fourth Proportional to 982,108.80, 1,473,163.20 and 508,939.20
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Solution
The fourth proportional to 982,108.80, 1,473,163.20 and 508,939.20 is: 763,408.80
Step by Step Solution
- Step 1: Write the proportion equation
982,108.80 : 1,473,163.20 = 508,939.20 : x - Step 2: Convert to fraction form
982,108.80/1,473,163.20 = 508,939.20/x - Step 3: Cross multiply
982,108.80x = 1,473,163.20 × 508,939.20 - Step 4: Simplify right side
982,108.80x = 749,750,500,477.44 - Step 5: Solve for x
x = 749,750,500,477.44/982,108.80 - Step 6: Final answer
x = 763,408.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.