Finding the Fourth Proportional to 890,823.87, 1,335,958.79 and 291,651.48
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Solution
The fourth proportional to 890,823.87, 1,335,958.79 and 291,651.48 is: 437,386.52
Step by Step Solution
- Step 1: Write the proportion equation
890,823.87 : 1,335,958.79 = 291,651.48 : x - Step 2: Convert to fraction form
890,823.87/1,335,958.79 = 291,651.48/x - Step 3: Cross multiply
890,823.87x = 1,335,958.79 × 291,651.48 - Step 4: Simplify right side
890,823.87x = 389,634,356,864.25 - Step 5: Solve for x
x = 389,634,356,864.25/890,823.87 - Step 6: Final answer
x = 437,386.52
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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.