Finding the Fourth Proportional to 841,649.19, 1,161,474.03 and 459,675.99
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Solution
The fourth proportional to 841,649.19, 1,161,474.03 and 459,675.99 is: 634,351.85
Step by Step Solution
- Step 1: Write the proportion equation
841,649.19 : 1,161,474.03 = 459,675.99 : x - Step 2: Convert to fraction form
841,649.19/1,161,474.03 = 459,675.99/x - Step 3: Cross multiply
841,649.19x = 1,161,474.03 × 459,675.99 - Step 4: Simplify right side
841,649.19x = 533,901,724,599.54 - Step 5: Solve for x
x = 533,901,724,599.54/841,649.19 - Step 6: Final answer
x = 634,351.85
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1.5x scale
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.