Finding the Fourth Proportional to 763,244.62, 1,053,173.28 and 457,252.54
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Solution
The fourth proportional to 763,244.62, 1,053,173.28 and 457,252.54 is: 630,946.02
Step by Step Solution
- Step 1: Write the proportion equation
763,244.62 : 1,053,173.28 = 457,252.54 : x - Step 2: Convert to fraction form
763,244.62/1,053,173.28 = 457,252.54/x - Step 3: Cross multiply
763,244.62x = 1,053,173.28 × 457,252.54 - Step 4: Simplify right side
763,244.62x = 481,566,157,340.13 - Step 5: Solve for x
x = 481,566,157,340.13/763,244.62 - Step 6: Final answer
x = 630,946.02
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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.