Finding the Fourth Proportional to 912,242.32, 1,258,685.14 and 544,647.84
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Solution
The fourth proportional to 912,242.32, 1,258,685.14 and 544,647.84 is: 751,489.08
Step by Step Solution
- Step 1: Write the proportion equation
912,242.32 : 1,258,685.14 = 544,647.84 : x - Step 2: Convert to fraction form
912,242.32/1,258,685.14 = 544,647.84/x - Step 3: Cross multiply
912,242.32x = 1,258,685.14 × 544,647.84 - Step 4: Simplify right side
912,242.32x = 685,540,142,741.10 - Step 5: Solve for x
x = 685,540,142,741.10/912,242.32 - Step 6: Final answer
x = 751,489.08
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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.