Finding the Fourth Proportional to 857,682.38, 1,284,899.68 and 572,513.06
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Solution
The fourth proportional to 857,682.38, 1,284,899.68 and 572,513.06 is: 857,685.62
Step by Step Solution
- Step 1: Write the proportion equation
857,682.38 : 1,284,899.68 = 572,513.06 : x - Step 2: Convert to fraction form
857,682.38/1,284,899.68 = 572,513.06/x - Step 3: Cross multiply
857,682.38x = 1,284,899.68 × 572,513.06 - Step 4: Simplify right side
857,682.38x = 735,621,847,589.82 - Step 5: Solve for x
x = 735,621,847,589.82/857,682.38 - Step 6: Final answer
x = 857,685.62
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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.