Finding the Fourth Proportional to 717,701.04, 990,570.84 and 411,984.09
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Solution
The fourth proportional to 717,701.04, 990,570.84 and 411,984.09 is: 568,620.36
Step by Step Solution
- Step 1: Write the proportion equation
717,701.04 : 990,570.84 = 411,984.09 : x - Step 2: Convert to fraction form
717,701.04/990,570.84 = 411,984.09/x - Step 3: Cross multiply
717,701.04x = 990,570.84 × 411,984.09 - Step 4: Simplify right side
717,701.04x = 408,099,426,097.94 - Step 5: Solve for x
x = 408,099,426,097.94/717,701.04 - Step 6: Final answer
x = 568,620.36
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.