Finding the Fourth Proportional to 875,178.14, 1,207,744.02 and 472,770.14
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Solution
The fourth proportional to 875,178.14, 1,207,744.02 and 472,770.14 is: 652,421.81
Step by Step Solution
- Step 1: Write the proportion equation
875,178.14 : 1,207,744.02 = 472,770.14 : x - Step 2: Convert to fraction form
875,178.14/1,207,744.02 = 472,770.14/x - Step 3: Cross multiply
875,178.14x = 1,207,744.02 × 472,770.14 - Step 4: Simplify right side
875,178.14x = 570,985,303,380.84 - Step 5: Solve for x
x = 570,985,303,380.84/875,178.14 - Step 6: Final answer
x = 652,421.81
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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.