Finding the Fourth Proportional to 714,129.40, 1,071,193.02 and 293,108.68
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Solution
The fourth proportional to 714,129.40, 1,071,193.02 and 293,108.68 is: 439,662.58
Step by Step Solution
- Step 1: Write the proportion equation
714,129.40 : 1,071,193.02 = 293,108.68 : x - Step 2: Convert to fraction form
714,129.40/1,071,193.02 = 293,108.68/x - Step 3: Cross multiply
714,129.40x = 1,071,193.02 × 293,108.68 - Step 4: Simplify right side
714,129.40x = 313,975,972,117.41 - Step 5: Solve for x
x = 313,975,972,117.41/714,129.40 - Step 6: Final answer
x = 439,662.58
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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.