Finding the Fourth Proportional to 843,150.99, 1,264,742.93 and 310,397.79
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Solution
The fourth proportional to 843,150.99, 1,264,742.93 and 310,397.79 is: 465,602.74
Step by Step Solution
- Step 1: Write the proportion equation
843,150.99 : 1,264,742.93 = 310,397.79 : x - Step 2: Convert to fraction form
843,150.99/1,264,742.93 = 310,397.79/x - Step 3: Cross multiply
843,150.99x = 1,264,742.93 × 310,397.79 - Step 4: Simplify right side
843,150.99x = 392,573,410,390.13 - Step 5: Solve for x
x = 392,573,410,390.13/843,150.99 - Step 6: Final answer
x = 465,602.74
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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.