Finding the Fourth Proportional to 664,010.51, 916,337.40 and 362,210.99
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Solution
The fourth proportional to 664,010.51, 916,337.40 and 362,210.99 is: 499,852.75
Step by Step Solution
- Step 1: Write the proportion equation
664,010.51 : 916,337.40 = 362,210.99 : x - Step 2: Convert to fraction form
664,010.51/916,337.40 = 362,210.99/x - Step 3: Cross multiply
664,010.51x = 916,337.40 × 362,210.99 - Step 4: Simplify right side
664,010.51x = 331,907,476,828.03 - Step 5: Solve for x
x = 331,907,476,828.03/664,010.51 - Step 6: Final answer
x = 499,852.75
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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.