Finding the Fourth Proportional to 756,943.41, 1,134,129.81 and 456,793.29
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Solution
The fourth proportional to 756,943.41, 1,134,129.81 and 456,793.29 is: 684,414.29
Step by Step Solution
- Step 1: Write the proportion equation
756,943.41 : 1,134,129.81 = 456,793.29 : x - Step 2: Convert to fraction form
756,943.41/1,134,129.81 = 456,793.29/x - Step 3: Cross multiply
756,943.41x = 1,134,129.81 × 456,793.29 - Step 4: Simplify right side
756,943.41x = 518,062,887,196.98 - Step 5: Solve for x
x = 518,062,887,196.98/756,943.41 - Step 6: Final answer
x = 684,414.29
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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.