Finding the Fourth Proportional to 756,847.53, 1,135,803.33 and 684,490.05
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Solution
The fourth proportional to 756,847.53, 1,135,803.33 and 684,490.05 is: 1,027,216.25
Step by Step Solution
- Step 1: Write the proportion equation
756,847.53 : 1,135,803.33 = 684,490.05 : x - Step 2: Convert to fraction form
756,847.53/1,135,803.33 = 684,490.05/x - Step 3: Cross multiply
756,847.53x = 1,135,803.33 × 684,490.05 - Step 4: Simplify right side
756,847.53x = 777,446,078,141.87 - Step 5: Solve for x
x = 777,446,078,141.87/756,847.53 - Step 6: Final answer
x = 1,027,216.25
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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.