Finding the Fourth Proportional to 990,613.36, 1,484,882.93 and 414,566.68
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Solution
The fourth proportional to 990,613.36, 1,484,882.93 and 414,566.68 is: 621,415.99
Step by Step Solution
- Step 1: Write the proportion equation
990,613.36 : 1,484,882.93 = 414,566.68 : x - Step 2: Convert to fraction form
990,613.36/1,484,882.93 = 414,566.68/x - Step 3: Cross multiply
990,613.36x = 1,484,882.93 × 414,566.68 - Step 4: Simplify right side
990,613.36x = 615,582,986,478.77 - Step 5: Solve for x
x = 615,582,986,478.77/990,613.36 - Step 6: Final answer
x = 621,415.99
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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.