Finding the Fourth Proportional to 749,351.05, 1,034,115.33 and 422,679.62
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Solution
The fourth proportional to 749,351.05, 1,034,115.33 and 422,679.62 is: 583,304.02
Step by Step Solution
- Step 1: Write the proportion equation
749,351.05 : 1,034,115.33 = 422,679.62 : x - Step 2: Convert to fraction form
749,351.05/1,034,115.33 = 422,679.62/x - Step 3: Cross multiply
749,351.05x = 1,034,115.33 × 422,679.62 - Step 4: Simplify right side
749,351.05x = 437,099,478,890.91 - Step 5: Solve for x
x = 437,099,478,890.91/749,351.05 - Step 6: Final answer
x = 583,304.02
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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.