Finding the Fourth Proportional to 877,057.94, 1,315,586.79 and 330,053.17
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Solution
The fourth proportional to 877,057.94, 1,315,586.79 and 330,053.17 is: 495,079.71
Step by Step Solution
- Step 1: Write the proportion equation
877,057.94 : 1,315,586.79 = 330,053.17 : x - Step 2: Convert to fraction form
877,057.94/1,315,586.79 = 330,053.17/x - Step 3: Cross multiply
877,057.94x = 1,315,586.79 × 330,053.17 - Step 4: Simplify right side
877,057.94x = 434,213,590,449.62 - Step 5: Solve for x
x = 434,213,590,449.62/877,057.94 - Step 6: Final answer
x = 495,079.71
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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.