Finding the Fourth Proportional to 554,701.36, 765,244.76 and 325,142.28
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Solution
The fourth proportional to 554,701.36, 765,244.76 and 325,142.28 is: 448,553.84
Step by Step Solution
- Step 1: Write the proportion equation
554,701.36 : 765,244.76 = 325,142.28 : x - Step 2: Convert to fraction form
554,701.36/765,244.76 = 325,142.28/x - Step 3: Cross multiply
554,701.36x = 765,244.76 × 325,142.28 - Step 4: Simplify right side
554,701.36x = 248,813,426,024.45 - Step 5: Solve for x
x = 248,813,426,024.45/554,701.36 - Step 6: Final answer
x = 448,553.84
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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.