Finding the Fourth Proportional to 711,420.12, 1,067,185.76 and 205,988.63
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Solution
The fourth proportional to 711,420.12, 1,067,185.76 and 205,988.63 is: 308,999.03
Step by Step Solution
- Step 1: Write the proportion equation
711,420.12 : 1,067,185.76 = 205,988.63 : x - Step 2: Convert to fraction form
711,420.12/1,067,185.76 = 205,988.63/x - Step 3: Cross multiply
711,420.12x = 1,067,185.76 × 205,988.63 - Step 4: Simplify right side
711,420.12x = 219,828,126,292.04 - Step 5: Solve for x
x = 219,828,126,292.04/711,420.12 - Step 6: Final answer
x = 308,999.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.