Finding the Fourth Proportional to 711,875.70, 1,067,193.63 and 290,883.06
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Solution
The fourth proportional to 711,875.70, 1,067,193.63 and 290,883.06 is: 436,071.28
Step by Step Solution
- Step 1: Write the proportion equation
711,875.70 : 1,067,193.63 = 290,883.06 : x - Step 2: Convert to fraction form
711,875.70/1,067,193.63 = 290,883.06/x - Step 3: Cross multiply
711,875.70x = 1,067,193.63 × 290,883.06 - Step 4: Simplify right side
711,875.70x = 310,428,548,706.91 - Step 5: Solve for x
x = 310,428,548,706.91/711,875.70 - Step 6: Final answer
x = 436,071.28
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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.