Finding the Fourth Proportional to 918,997.18, 1,378,561.68 and 245,074.95
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Solution
The fourth proportional to 918,997.18, 1,378,561.68 and 245,074.95 is: 367,630.00
Step by Step Solution
- Step 1: Write the proportion equation
918,997.18 : 1,378,561.68 = 245,074.95 : x - Step 2: Convert to fraction form
918,997.18/1,378,561.68 = 245,074.95/x - Step 3: Cross multiply
918,997.18x = 1,378,561.68 × 245,074.95 - Step 4: Simplify right side
918,997.18x = 337,850,934,797.92 - Step 5: Solve for x
x = 337,850,934,797.92/918,997.18 - Step 6: Final answer
x = 367,630.00
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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.