Finding the Fourth Proportional to 841,829.05, 1,161,680.79 and 459,782.02
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Solution
The fourth proportional to 841,829.05, 1,161,680.79 and 459,782.02 is: 634,475.54
Step by Step Solution
- Step 1: Write the proportion equation
841,829.05 : 1,161,680.79 = 459,782.02 : x - Step 2: Convert to fraction form
841,829.05/1,161,680.79 = 459,782.02/x - Step 3: Cross multiply
841,829.05x = 1,161,680.79 × 459,782.02 - Step 4: Simplify right side
841,829.05x = 534,119,940,811.41 - Step 5: Solve for x
x = 534,119,940,811.41/841,829.05 - Step 6: Final answer
x = 634,475.54
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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.