Finding the Fourth Proportional to 554,979.87, 765,874.14 and 300,330.99
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Solution
The fourth proportional to 554,979.87, 765,874.14 and 300,330.99 is: 414,457.80
Step by Step Solution
- Step 1: Write the proportion equation
554,979.87 : 765,874.14 = 300,330.99 : x - Step 2: Convert to fraction form
554,979.87/765,874.14 = 300,330.99/x - Step 3: Cross multiply
554,979.87x = 765,874.14 × 300,330.99 - Step 4: Simplify right side
554,979.87x = 230,015,738,681.60 - Step 5: Solve for x
x = 230,015,738,681.60/554,979.87 - Step 6: Final answer
x = 414,457.80
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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.