Finding the Fourth Proportional to 701,964.89, 968,711.73 and 396,106.09
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Solution
The fourth proportional to 701,964.89, 968,711.73 and 396,106.09 is: 546,626.51
Step by Step Solution
- Step 1: Write the proportion equation
701,964.89 : 968,711.73 = 396,106.09 : x - Step 2: Convert to fraction form
701,964.89/968,711.73 = 396,106.09/x - Step 3: Cross multiply
701,964.89x = 968,711.73 × 396,106.09 - Step 4: Simplify right side
701,964.89x = 383,712,615,707.44 - Step 5: Solve for x
x = 383,712,615,707.44/701,964.89 - Step 6: Final answer
x = 546,626.51
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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.