Finding the Fourth Proportional to 753,183.96, 1,039,402.05 and 413,652.18
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Solution
The fourth proportional to 753,183.96, 1,039,402.05 and 413,652.18 is: 570,844.50
Step by Step Solution
- Step 1: Write the proportion equation
753,183.96 : 1,039,402.05 = 413,652.18 : x - Step 2: Convert to fraction form
753,183.96/1,039,402.05 = 413,652.18/x - Step 3: Cross multiply
753,183.96x = 1,039,402.05 × 413,652.18 - Step 4: Simplify right side
753,183.96x = 429,950,923,878.97 - Step 5: Solve for x
x = 429,950,923,878.97/753,183.96 - Step 6: Final answer
x = 570,844.50
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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.