Finding the Fourth Proportional to 664,370.09, 916,830.47 and 362,564.09
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Solution
The fourth proportional to 664,370.09, 916,830.47 and 362,564.09 is: 500,338.31
Step by Step Solution
- Step 1: Write the proportion equation
664,370.09 : 916,830.47 = 362,564.09 : x - Step 2: Convert to fraction form
664,370.09/916,830.47 = 362,564.09/x - Step 3: Cross multiply
664,370.09x = 916,830.47 × 362,564.09 - Step 4: Simplify right side
664,370.09x = 332,409,805,039.82 - Step 5: Solve for x
x = 332,409,805,039.82/664,370.09 - Step 6: Final answer
x = 500,338.31
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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.