Finding the Fourth Proportional to 616,744.68, 851,060.70 and 374,993.70
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Solution
The fourth proportional to 616,744.68, 851,060.70 and 374,993.70 is: 517,462.75
Step by Step Solution
- Step 1: Write the proportion equation
616,744.68 : 851,060.70 = 374,993.70 : x - Step 2: Convert to fraction form
616,744.68/851,060.70 = 374,993.70/x - Step 3: Cross multiply
616,744.68x = 851,060.70 × 374,993.70 - Step 4: Simplify right side
616,744.68x = 319,142,400,817.59 - Step 5: Solve for x
x = 319,142,400,817.59/616,744.68 - Step 6: Final answer
x = 517,462.75
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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.