Finding the Fourth Proportional to 734,203.88, 1,012,828.26 and 479,704.04
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Solution
The fourth proportional to 734,203.88, 1,012,828.26 and 479,704.04 is: 661,747.81
Step by Step Solution
- Step 1: Write the proportion equation
734,203.88 : 1,012,828.26 = 479,704.04 : x - Step 2: Convert to fraction form
734,203.88/1,012,828.26 = 479,704.04/x - Step 3: Cross multiply
734,203.88x = 1,012,828.26 × 479,704.04 - Step 4: Simplify right side
734,203.88x = 485,857,808,148.17 - Step 5: Solve for x
x = 485,857,808,148.17/734,203.88 - Step 6: Final answer
x = 661,747.81
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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.