Finding the Fourth Proportional to 875,487.44, 1,207,966.97 and 531,315.71
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Solution
The fourth proportional to 875,487.44, 1,207,966.97 and 531,315.71 is: 733,090.84
Step by Step Solution
- Step 1: Write the proportion equation
875,487.44 : 1,207,966.97 = 531,315.71 : x - Step 2: Convert to fraction form
875,487.44/1,207,966.97 = 531,315.71/x - Step 3: Cross multiply
875,487.44x = 1,207,966.97 × 531,315.71 - Step 4: Simplify right side
875,487.44x = 641,811,819,625.69 - Step 5: Solve for x
x = 641,811,819,625.69/875,487.44 - Step 6: Final answer
x = 733,090.84
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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.