Finding the Fourth Proportional to 612,405.99, 845,138.58 and 336,749.53
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Solution
The fourth proportional to 612,405.99, 845,138.58 and 336,749.53 is: 464,724.41
Step by Step Solution
- Step 1: Write the proportion equation
612,405.99 : 845,138.58 = 336,749.53 : x - Step 2: Convert to fraction form
612,405.99/845,138.58 = 336,749.53/x - Step 3: Cross multiply
612,405.99x = 845,138.58 × 336,749.53 - Step 4: Simplify right side
612,405.99x = 284,600,015,374.18 - Step 5: Solve for x
x = 284,600,015,374.18/612,405.99 - Step 6: Final answer
x = 464,724.41
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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.