Finding the Fourth Proportional to 874,461.42, 1,207,313.94 and 713,699.94
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Solution
The fourth proportional to 874,461.42, 1,207,313.94 and 713,699.94 is: 985,360.67
Step by Step Solution
- Step 1: Write the proportion equation
874,461.42 : 1,207,313.94 = 713,699.94 : x - Step 2: Convert to fraction form
874,461.42/1,207,313.94 = 713,699.94/x - Step 3: Cross multiply
874,461.42x = 1,207,313.94 × 713,699.94 - Step 4: Simplify right side
874,461.42x = 861,659,886,539.16 - Step 5: Solve for x
x = 861,659,886,539.16/874,461.42 - Step 6: Final answer
x = 985,360.67
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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.