Finding the Fourth Proportional to 841,660.44, 1,161,473.44 and 459,688.76
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Solution
The fourth proportional to 841,660.44, 1,161,473.44 and 459,688.76 is: 634,360.68
Step by Step Solution
- Step 1: Write the proportion equation
841,660.44 : 1,161,473.44 = 459,688.76 : x - Step 2: Convert to fraction form
841,660.44/1,161,473.44 = 459,688.76/x - Step 3: Cross multiply
841,660.44x = 1,161,473.44 × 459,688.76 - Step 4: Simplify right side
841,660.44x = 533,916,285,406.53 - Step 5: Solve for x
x = 533,916,285,406.53/841,660.44 - Step 6: Final answer
x = 634,360.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.