Finding the Fourth Proportional to 893,507.75, 1,233,048.84 and 485,610.63
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Solution
The fourth proportional to 893,507.75, 1,233,048.84 and 485,610.63 is: 670,147.09
Step by Step Solution
- Step 1: Write the proportion equation
893,507.75 : 1,233,048.84 = 485,610.63 : x - Step 2: Convert to fraction form
893,507.75/1,233,048.84 = 485,610.63/x - Step 3: Cross multiply
893,507.75x = 1,233,048.84 × 485,610.63 - Step 4: Simplify right side
893,507.75x = 598,781,615,419.87 - Step 5: Solve for x
x = 598,781,615,419.87/893,507.75 - Step 6: Final answer
x = 670,147.09
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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.