Finding the Fourth Proportional to 865,434.75, 1,298,207.49 and 332,955.84
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Solution
The fourth proportional to 865,434.75, 1,298,207.49 and 332,955.84 is: 499,455.06
Step by Step Solution
- Step 1: Write the proportion equation
865,434.75 : 1,298,207.49 = 332,955.84 : x - Step 2: Convert to fraction form
865,434.75/1,298,207.49 = 332,955.84/x - Step 3: Cross multiply
865,434.75x = 1,298,207.49 × 332,955.84 - Step 4: Simplify right side
865,434.75x = 432,245,765,327.24 - Step 5: Solve for x
x = 432,245,765,327.24/865,434.75 - Step 6: Final answer
x = 499,455.06
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.