Finding the Fourth Proportional to 620,674.68, 856,531.62 and 352,402.68
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Solution
The fourth proportional to 620,674.68, 856,531.62 and 352,402.68 is: 486,316.02
Step by Step Solution
- Step 1: Write the proportion equation
620,674.68 : 856,531.62 = 352,402.68 : x - Step 2: Convert to fraction form
620,674.68/856,531.62 = 352,402.68/x - Step 3: Cross multiply
620,674.68x = 856,531.62 × 352,402.68 - Step 4: Simplify right side
620,674.68x = 301,844,038,392.74 - Step 5: Solve for x
x = 301,844,038,392.74/620,674.68 - Step 6: Final answer
x = 486,316.02
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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.