Finding the Fourth Proportional to 664,030.84, 916,361.48 and 362,224.84
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Solution
The fourth proportional to 664,030.84, 916,361.48 and 362,224.84 is: 499,869.69
Step by Step Solution
- Step 1: Write the proportion equation
664,030.84 : 916,361.48 = 362,224.84 : x - Step 2: Convert to fraction form
664,030.84/916,361.48 = 362,224.84/x - Step 3: Cross multiply
664,030.84x = 916,361.48 × 362,224.84 - Step 4: Simplify right side
664,030.84x = 331,928,890,475.16 - Step 5: Solve for x
x = 331,928,890,475.16/664,030.84 - Step 6: Final answer
x = 499,869.69
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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.