Finding the Fourth Proportional to 664,796.64, 916,953.84 and 449,842.08
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Solution
The fourth proportional to 664,796.64, 916,953.84 and 449,842.08 is: 620,467.07
Step by Step Solution
- Step 1: Write the proportion equation
664,796.64 : 916,953.84 = 449,842.08 : x - Step 2: Convert to fraction form
664,796.64/916,953.84 = 449,842.08/x - Step 3: Cross multiply
664,796.64x = 916,953.84 × 449,842.08 - Step 4: Simplify right side
664,796.64x = 412,484,422,649.59 - Step 5: Solve for x
x = 412,484,422,649.59/664,796.64 - Step 6: Final answer
x = 620,467.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.