Finding the Fourth Proportional to 912,191.92, 1,258,615.99 and 544,597.51
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Solution
The fourth proportional to 912,191.92, 1,258,615.99 and 544,597.51 is: 751,419.87
Step by Step Solution
- Step 1: Write the proportion equation
912,191.92 : 1,258,615.99 = 544,597.51 : x - Step 2: Convert to fraction form
912,191.92/1,258,615.99 = 544,597.51/x - Step 3: Cross multiply
912,191.92x = 1,258,615.99 × 544,597.51 - Step 4: Simplify right side
912,191.92x = 685,439,131,030.94 - Step 5: Solve for x
x = 685,439,131,030.94/912,191.92 - Step 6: Final answer
x = 751,419.87
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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.