Finding the Fourth Proportional to 768,246.80, 1,150,987.80 and 657,654.80
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Solution
The fourth proportional to 768,246.80, 1,150,987.80 and 657,654.80 is: 985,298.80
Step by Step Solution
- Step 1: Write the proportion equation
768,246.80 : 1,150,987.80 = 657,654.80 : x - Step 2: Convert to fraction form
768,246.80/1,150,987.80 = 657,654.80/x - Step 3: Cross multiply
768,246.80x = 1,150,987.80 × 657,654.80 - Step 4: Simplify right side
768,246.80x = 756,952,651,411.44 - Step 5: Solve for x
x = 756,952,651,411.44/768,246.80 - Step 6: Final answer
x = 985,298.80
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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.