Finding the Fourth Proportional to 529,803.81, 793,705.68 and 313,015.68
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Solution
The fourth proportional to 529,803.81, 793,705.68 and 313,015.68 is: 468,932.68
Step by Step Solution
- Step 1: Write the proportion equation
529,803.81 : 793,705.68 = 313,015.68 : x - Step 2: Convert to fraction form
529,803.81/793,705.68 = 313,015.68/x - Step 3: Cross multiply
529,803.81x = 793,705.68 × 313,015.68 - Step 4: Simplify right side
529,803.81x = 248,442,323,145.06 - Step 5: Solve for x
x = 248,442,323,145.06/529,803.81 - Step 6: Final answer
x = 468,932.68
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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.