Finding the Fourth Proportional to 989,781.49, 1,484,659.27 and 241,833.97
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Solution
The fourth proportional to 989,781.49, 1,484,659.27 and 241,833.97 is: 362,747.79
Step by Step Solution
- Step 1: Write the proportion equation
989,781.49 : 1,484,659.27 = 241,833.97 : x - Step 2: Convert to fraction form
989,781.49/1,484,659.27 = 241,833.97/x - Step 3: Cross multiply
989,781.49x = 1,484,659.27 × 241,833.97 - Step 4: Simplify right side
989,781.49x = 359,041,045,361.40 - Step 5: Solve for x
x = 359,041,045,361.40/989,781.49 - Step 6: Final answer
x = 362,747.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.