Finding the Fourth Proportional to 763,724.64, 1,053,822.84 and 441,372.48
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Solution
The fourth proportional to 763,724.64, 1,053,822.84 and 441,372.48 is: 609,026.31
Step by Step Solution
- Step 1: Write the proportion equation
763,724.64 : 1,053,822.84 = 441,372.48 : x - Step 2: Convert to fraction form
763,724.64/1,053,822.84 = 441,372.48/x - Step 3: Cross multiply
763,724.64x = 1,053,822.84 × 441,372.48 - Step 4: Simplify right side
763,724.64x = 465,128,400,371.44 - Step 5: Solve for x
x = 465,128,400,371.44/763,724.64 - Step 6: Final answer
x = 609,026.31
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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.