Finding the Fourth Proportional to 670,214.18, 1,005,394.56 and 290,874.14
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Solution
The fourth proportional to 670,214.18, 1,005,394.56 and 290,874.14 is: 436,343.02
Step by Step Solution
- Step 1: Write the proportion equation
670,214.18 : 1,005,394.56 = 290,874.14 : x - Step 2: Convert to fraction form
670,214.18/1,005,394.56 = 290,874.14/x - Step 3: Cross multiply
670,214.18x = 1,005,394.56 × 290,874.14 - Step 4: Simplify right side
670,214.18x = 292,443,278,000.68 - Step 5: Solve for x
x = 292,443,278,000.68/670,214.18 - Step 6: Final answer
x = 436,343.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.