Finding the Fourth Proportional to 718,648.85, 1,078,720.96 and 529,322.99
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Solution
The fourth proportional to 718,648.85, 1,078,720.96 and 529,322.99 is: 794,535.19
Step by Step Solution
- Step 1: Write the proportion equation
718,648.85 : 1,078,720.96 = 529,322.99 : x - Step 2: Convert to fraction form
718,648.85/1,078,720.96 = 529,322.99/x - Step 3: Cross multiply
718,648.85x = 1,078,720.96 × 529,322.99 - Step 4: Simplify right side
718,648.85x = 570,991,805,296.37 - Step 5: Solve for x
x = 570,991,805,296.37/718,648.85 - Step 6: Final answer
x = 794,535.19
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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.