Finding the Fourth Proportional to 804,916.70, 1,205,992.65 and 383,284.70
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Solution
The fourth proportional to 804,916.70, 1,205,992.65 and 383,284.70 is: 574,268.78
Step by Step Solution
- Step 1: Write the proportion equation
804,916.70 : 1,205,992.65 = 383,284.70 : x - Step 2: Convert to fraction form
804,916.70/1,205,992.65 = 383,284.70/x - Step 3: Cross multiply
804,916.70x = 1,205,992.65 × 383,284.70 - Step 4: Simplify right side
804,916.70x = 462,238,531,057.46 - Step 5: Solve for x
x = 462,238,531,057.46/804,916.70 - Step 6: Final answer
x = 574,268.78
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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.