Finding the Fourth Proportional to 832,316.75, 1,148,629.64 and 469,753.14
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Solution
The fourth proportional to 832,316.75, 1,148,629.64 and 469,753.14 is: 648,277.69
Step by Step Solution
- Step 1: Write the proportion equation
832,316.75 : 1,148,629.64 = 469,753.14 : x - Step 2: Convert to fraction form
832,316.75/1,148,629.64 = 469,753.14/x - Step 3: Cross multiply
832,316.75x = 1,148,629.64 × 469,753.14 - Step 4: Simplify right side
832,316.75x = 539,572,380,087.07 - Step 5: Solve for x
x = 539,572,380,087.07/832,316.75 - Step 6: Final answer
x = 648,277.69
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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.