Finding the Fourth Proportional to 620,653.68, 856,502.64 and 352,381.68
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Solution
The fourth proportional to 620,653.68, 856,502.64 and 352,381.68 is: 486,287.04
Step by Step Solution
- Step 1: Write the proportion equation
620,653.68 : 856,502.64 = 352,381.68 : x - Step 2: Convert to fraction form
620,653.68/856,502.64 = 352,381.68/x - Step 3: Cross multiply
620,653.68x = 856,502.64 × 352,381.68 - Step 4: Simplify right side
620,653.68x = 301,815,839,207.64 - Step 5: Solve for x
x = 301,815,839,207.64/620,653.68 - Step 6: Final answer
x = 486,287.04
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.