Finding the Fourth Proportional to 841,602.42, 1,161,412.64 and 479,026.28
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Solution
The fourth proportional to 841,602.42, 1,161,412.64 and 479,026.28 is: 661,057.00
Step by Step Solution
- Step 1: Write the proportion equation
841,602.42 : 1,161,412.64 = 479,026.28 : x - Step 2: Convert to fraction form
841,602.42/1,161,412.64 = 479,026.28/x - Step 3: Cross multiply
841,602.42x = 1,161,412.64 × 479,026.28 - Step 4: Simplify right side
841,602.42x = 556,347,174,778.21 - Step 5: Solve for x
x = 556,347,174,778.21/841,602.42 - Step 6: Final answer
x = 661,057.00
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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.