Finding the Fourth Proportional to 852,817.84, 1,278,993.24 and 320,297.68
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Solution
The fourth proportional to 852,817.84, 1,278,993.24 and 320,297.68 is: 480,358.82
Step by Step Solution
- Step 1: Write the proportion equation
852,817.84 : 1,278,993.24 = 320,297.68 : x - Step 2: Convert to fraction form
852,817.84/1,278,993.24 = 320,297.68/x - Step 3: Cross multiply
852,817.84x = 1,278,993.24 × 320,297.68 - Step 4: Simplify right side
852,817.84x = 409,658,567,507.68 - Step 5: Solve for x
x = 409,658,567,507.68/852,817.84 - Step 6: Final answer
x = 480,358.82
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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.