Finding the Fourth Proportional to 573,129.44, 790,687.68 and 346,381.28
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Solution
The fourth proportional to 573,129.44, 790,687.68 and 346,381.28 is: 477,866.59
Step by Step Solution
- Step 1: Write the proportion equation
573,129.44 : 790,687.68 = 346,381.28 : x - Step 2: Convert to fraction form
573,129.44/790,687.68 = 346,381.28/x - Step 3: Cross multiply
573,129.44x = 790,687.68 × 346,381.28 - Step 4: Simplify right side
573,129.44x = 273,879,410,678.63 - Step 5: Solve for x
x = 273,879,410,678.63/573,129.44 - Step 6: Final answer
x = 477,866.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.