Finding the Fourth Proportional to 801,188.24, 1,105,665.86 and 438,611.99
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Solution
The fourth proportional to 801,188.24, 1,105,665.86 and 438,611.99 is: 605,298.83
Step by Step Solution
- Step 1: Write the proportion equation
801,188.24 : 1,105,665.86 = 438,611.99 : x - Step 2: Convert to fraction form
801,188.24/1,105,665.86 = 438,611.99/x - Step 3: Cross multiply
801,188.24x = 1,105,665.86 × 438,611.99 - Step 4: Simplify right side
801,188.24x = 484,958,298,697.86 - Step 5: Solve for x
x = 484,958,298,697.86/801,188.24 - Step 6: Final answer
x = 605,298.83
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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.