Finding the Fourth Proportional to 490,066.88, 734,410.80 and 389,781.99
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Solution
The fourth proportional to 490,066.88, 734,410.80 and 389,781.99 is: 584,124.57
Step by Step Solution
- Step 1: Write the proportion equation
490,066.88 : 734,410.80 = 389,781.99 : x - Step 2: Convert to fraction form
490,066.88/734,410.80 = 389,781.99/x - Step 3: Cross multiply
490,066.88x = 734,410.80 × 389,781.99 - Step 4: Simplify right side
490,066.88x = 286,260,103,101.49 - Step 5: Solve for x
x = 286,260,103,101.49/490,066.88 - Step 6: Final answer
x = 584,124.57
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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.