Finding the Fourth Proportional to 504,315.05, 695,955.02 and 286,524.09
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Solution
The fourth proportional to 504,315.05, 695,955.02 and 286,524.09 is: 395,403.39
Step by Step Solution
- Step 1: Write the proportion equation
504,315.05 : 695,955.02 = 286,524.09 : x - Step 2: Convert to fraction form
504,315.05/695,955.02 = 286,524.09/x - Step 3: Cross multiply
504,315.05x = 695,955.02 × 286,524.09 - Step 4: Simplify right side
504,315.05x = 199,407,877,353.81 - Step 5: Solve for x
x = 199,407,877,353.81/504,315.05 - Step 6: Final answer
x = 395,403.39
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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.