Finding the Fourth Proportional to 821,747.44, 1,134,360.68 and 499,560.44
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Solution
The fourth proportional to 821,747.44, 1,134,360.68 and 499,560.44 is: 689,605.70
Step by Step Solution
- Step 1: Write the proportion equation
821,747.44 : 1,134,360.68 = 499,560.44 : x - Step 2: Convert to fraction form
821,747.44/1,134,360.68 = 499,560.44/x - Step 3: Cross multiply
821,747.44x = 1,134,360.68 × 499,560.44 - Step 4: Simplify right side
821,747.44x = 566,681,720,419.50 - Step 5: Solve for x
x = 566,681,720,419.50/821,747.44 - Step 6: Final answer
x = 689,605.70
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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.