Finding the Fourth Proportional to 711,995.10, 1,068,731.19 and 476,980.08
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Solution
The fourth proportional to 711,995.10, 1,068,731.19 and 476,980.08 is: 715,964.88
Step by Step Solution
- Step 1: Write the proportion equation
711,995.10 : 1,068,731.19 = 476,980.08 : x - Step 2: Convert to fraction form
711,995.10/1,068,731.19 = 476,980.08/x - Step 3: Cross multiply
711,995.10x = 1,068,731.19 × 476,980.08 - Step 4: Simplify right side
711,995.10x = 509,763,488,504.70 - Step 5: Solve for x
x = 509,763,488,504.70/711,995.10 - Step 6: Final answer
x = 715,964.88
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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.