Finding the Fourth Proportional to 875,284.90, 1,207,858.17 and 493,390.96
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Solution
The fourth proportional to 875,284.90, 1,207,858.17 and 493,390.96 is: 680,859.80
Step by Step Solution
- Step 1: Write the proportion equation
875,284.90 : 1,207,858.17 = 493,390.96 : x - Step 2: Convert to fraction form
875,284.90/1,207,858.17 = 493,390.96/x - Step 3: Cross multiply
875,284.90x = 1,207,858.17 × 493,390.96 - Step 4: Simplify right side
875,284.90x = 595,946,302,040.14 - Step 5: Solve for x
x = 595,946,302,040.14/875,284.90 - Step 6: Final answer
x = 680,859.80
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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.