Finding the Fourth Proportional to 740,081.97, 1,021,337.87 and 453,546.70
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Solution
The fourth proportional to 740,081.97, 1,021,337.87 and 453,546.70 is: 625,909.61
Step by Step Solution
- Step 1: Write the proportion equation
740,081.97 : 1,021,337.87 = 453,546.70 : x - Step 2: Convert to fraction form
740,081.97/1,021,337.87 = 453,546.70/x - Step 3: Cross multiply
740,081.97x = 1,021,337.87 × 453,546.70 - Step 4: Simplify right side
740,081.97x = 463,224,420,523.53 - Step 5: Solve for x
x = 463,224,420,523.53/740,081.97 - Step 6: Final answer
x = 625,909.61
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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.