Finding the Fourth Proportional to 664,009.51, 916,336.02 and 362,209.99
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Solution
The fourth proportional to 664,009.51, 916,336.02 and 362,209.99 is: 499,851.37
Step by Step Solution
- Step 1: Write the proportion equation
664,009.51 : 916,336.02 = 362,209.99 : x - Step 2: Convert to fraction form
664,009.51/916,336.02 = 362,209.99/x - Step 3: Cross multiply
664,009.51x = 916,336.02 × 362,209.99 - Step 4: Simplify right side
664,009.51x = 331,906,060,640.84 - Step 5: Solve for x
x = 331,906,060,640.84/664,009.51 - Step 6: Final answer
x = 499,851.37
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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.