Finding the Fourth Proportional to 783,282.87, 1,174,907.88 and 423,625.23
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Solution
The fourth proportional to 783,282.87, 1,174,907.88 and 423,625.23 is: 635,428.96
Step by Step Solution
- Step 1: Write the proportion equation
783,282.87 : 1,174,907.88 = 423,625.23 : x - Step 2: Convert to fraction form
783,282.87/1,174,907.88 = 423,625.23/x - Step 3: Cross multiply
783,282.87x = 1,174,907.88 × 423,625.23 - Step 4: Simplify right side
783,282.87x = 497,720,620,893.81 - Step 5: Solve for x
x = 497,720,620,893.81/783,282.87 - Step 6: Final answer
x = 635,428.96
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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.