Finding the Fourth Proportional to 518,232.93, 775,593.64 and 318,679.71
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Solution
The fourth proportional to 518,232.93, 775,593.64 and 318,679.71 is: 476,939.89
Step by Step Solution
- Step 1: Write the proportion equation
518,232.93 : 775,593.64 = 318,679.71 : x - Step 2: Convert to fraction form
518,232.93/775,593.64 = 318,679.71/x - Step 3: Cross multiply
518,232.93x = 775,593.64 × 318,679.71 - Step 4: Simplify right side
518,232.93x = 247,165,956,273.04 - Step 5: Solve for x
x = 247,165,956,273.04/518,232.93 - Step 6: Final answer
x = 476,939.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.