Finding the Fourth Proportional to 391,773.84, 586,749.24 and 380,998.80
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Solution
The fourth proportional to 391,773.84, 586,749.24 and 380,998.80 is: 570,611.75
Step by Step Solution
- Step 1: Write the proportion equation
391,773.84 : 586,749.24 = 380,998.80 : x - Step 2: Convert to fraction form
391,773.84/586,749.24 = 380,998.80/x - Step 3: Cross multiply
391,773.84x = 586,749.24 × 380,998.80 - Step 4: Simplify right side
391,773.84x = 223,550,756,340.91 - Step 5: Solve for x
x = 223,550,756,340.91/391,773.84 - Step 6: Final answer
x = 570,611.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.