Finding the Fourth Proportional to 547,929.36, 756,140.00 and 306,211.79
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Solution
The fourth proportional to 547,929.36, 756,140.00 and 306,211.79 is: 422,570.86
Step by Step Solution
- Step 1: Write the proportion equation
547,929.36 : 756,140.00 = 306,211.79 : x - Step 2: Convert to fraction form
547,929.36/756,140.00 = 306,211.79/x - Step 3: Cross multiply
547,929.36x = 756,140.00 × 306,211.79 - Step 4: Simplify right side
547,929.36x = 231,538,983,249.89 - Step 5: Solve for x
x = 231,538,983,249.89/547,929.36 - Step 6: Final answer
x = 422,570.86
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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.