Finding the Fourth Proportional to 554,984.24, 765,878.20 and 300,335.44
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Solution
The fourth proportional to 554,984.24, 765,878.20 and 300,335.44 is: 414,462.88
Step by Step Solution
- Step 1: Write the proportion equation
554,984.24 : 765,878.20 = 300,335.44 : x - Step 2: Convert to fraction form
554,984.24/765,878.20 = 300,335.44/x - Step 3: Cross multiply
554,984.24x = 765,878.20 × 300,335.44 - Step 4: Simplify right side
554,984.24x = 230,020,366,183.41 - Step 5: Solve for x
x = 230,020,366,183.41/554,984.24 - Step 6: Final answer
x = 414,462.88
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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.