Finding the Fourth Proportional to 945,438.64, 1,304,713.64 and 515,720.68
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Solution
The fourth proportional to 945,438.64, 1,304,713.64 and 515,720.68 is: 711,699.08
Step by Step Solution
- Step 1: Write the proportion equation
945,438.64 : 1,304,713.64 = 515,720.68 : x - Step 2: Convert to fraction form
945,438.64/1,304,713.64 = 515,720.68/x - Step 3: Cross multiply
945,438.64x = 1,304,713.64 × 515,720.68 - Step 4: Simplify right side
945,438.64x = 672,867,805,626.08 - Step 5: Solve for x
x = 672,867,805,626.08/945,438.64 - Step 6: Final answer
x = 711,699.08
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.