Finding the Fourth Proportional to 801,251.37, 1,105,730.10 and 438,708.98
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Solution
The fourth proportional to 801,251.37, 1,105,730.10 and 438,708.98 is: 605,420.15
Step by Step Solution
- Step 1: Write the proportion equation
801,251.37 : 1,105,730.10 = 438,708.98 : x - Step 2: Convert to fraction form
801,251.37/1,105,730.10 = 438,708.98/x - Step 3: Cross multiply
801,251.37x = 1,105,730.10 × 438,708.98 - Step 4: Simplify right side
801,251.37x = 485,093,727,090.62 - Step 5: Solve for x
x = 485,093,727,090.62/801,251.37 - Step 6: Final answer
x = 605,420.15
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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.