Finding the Fourth Proportional to 984,408.19, 1,358,484.21 and 531,699.19
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Solution
The fourth proportional to 984,408.19, 1,358,484.21 and 531,699.19 is: 733,745.37
Step by Step Solution
- Step 1: Write the proportion equation
984,408.19 : 1,358,484.21 = 531,699.19 : x - Step 2: Convert to fraction form
984,408.19/1,358,484.21 = 531,699.19/x - Step 3: Cross multiply
984,408.19x = 1,358,484.21 × 531,699.19 - Step 4: Simplify right side
984,408.19x = 722,304,950,688.58 - Step 5: Solve for x
x = 722,304,950,688.58/984,408.19 - Step 6: Final answer
x = 733,745.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.