Finding the Fourth Proportional to 843,645.76, 1,164,209.68 and 499,486.08
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Solution
The fourth proportional to 843,645.76, 1,164,209.68 and 499,486.08 is: 689,278.08
Step by Step Solution
- Step 1: Write the proportion equation
843,645.76 : 1,164,209.68 = 499,486.08 : x - Step 2: Convert to fraction form
843,645.76/1,164,209.68 = 499,486.08/x - Step 3: Cross multiply
843,645.76x = 1,164,209.68 × 499,486.08 - Step 4: Simplify right side
843,645.76x = 581,506,529,361.25 - Step 5: Solve for x
x = 581,506,529,361.25/843,645.76 - Step 6: Final answer
x = 689,278.08
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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.