Finding the Fourth Proportional to 557,760.60, 771,202.62 and 486,901.80
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Solution
The fourth proportional to 557,760.60, 771,202.62 and 486,901.80 is: 673,227.80
Step by Step Solution
- Step 1: Write the proportion equation
557,760.60 : 771,202.62 = 486,901.80 : x - Step 2: Convert to fraction form
557,760.60/771,202.62 = 486,901.80/x - Step 3: Cross multiply
557,760.60x = 771,202.62 × 486,901.80 - Step 4: Simplify right side
557,760.60x = 375,499,943,842.72 - Step 5: Solve for x
x = 375,499,943,842.72/557,760.60 - Step 6: Final answer
x = 673,227.80
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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.