Finding the Fourth Proportional to 712,577.12, 1,068,964.09 and 239,397.80
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Solution
The fourth proportional to 712,577.12, 1,068,964.09 and 239,397.80 is: 359,129.76
Step by Step Solution
- Step 1: Write the proportion equation
712,577.12 : 1,068,964.09 = 239,397.80 : x - Step 2: Convert to fraction form
712,577.12/1,068,964.09 = 239,397.80/x - Step 3: Cross multiply
712,577.12x = 1,068,964.09 × 239,397.80 - Step 4: Simplify right side
712,577.12x = 255,907,645,481.69 - Step 5: Solve for x
x = 255,907,645,481.69/712,577.12 - Step 6: Final answer
x = 359,129.76
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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.