Finding the Fourth Proportional to 554,587.94, 765,331.36 and 299,939.12
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Solution
The fourth proportional to 554,587.94, 765,331.36 and 299,939.12 is: 413,915.99
Step by Step Solution
- Step 1: Write the proportion equation
554,587.94 : 765,331.36 = 299,939.12 : x - Step 2: Convert to fraction form
554,587.94/765,331.36 = 299,939.12/x - Step 3: Cross multiply
554,587.94x = 765,331.36 × 299,939.12 - Step 4: Simplify right side
554,587.94x = 229,552,815,790.28 - Step 5: Solve for x
x = 229,552,815,790.28/554,587.94 - Step 6: Final answer
x = 413,915.99
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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.