Finding the Fourth Proportional to 664,655.62, 917,220.09 and 362,849.62
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Solution
The fourth proportional to 664,655.62, 917,220.09 and 362,849.62 is: 500,729.93
Step by Step Solution
- Step 1: Write the proportion equation
664,655.62 : 917,220.09 = 362,849.62 : x - Step 2: Convert to fraction form
664,655.62/917,220.09 = 362,849.62/x - Step 3: Cross multiply
664,655.62x = 917,220.09 × 362,849.62 - Step 4: Simplify right side
664,655.62x = 332,812,961,112.87 - Step 5: Solve for x
x = 332,812,961,112.87/664,655.62 - Step 6: Final answer
x = 500,729.93
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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.