Finding the Fourth Proportional to 680,894.96, 939,157.08 and 590,091.44
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Solution
The fourth proportional to 680,894.96, 939,157.08 and 590,091.44 is: 813,911.96
Step by Step Solution
- Step 1: Write the proportion equation
680,894.96 : 939,157.08 = 590,091.44 : x - Step 2: Convert to fraction form
680,894.96/939,157.08 = 590,091.44/x - Step 3: Cross multiply
680,894.96x = 939,157.08 × 590,091.44 - Step 4: Simplify right side
680,894.96x = 554,188,553,723.40 - Step 5: Solve for x
x = 554,188,553,723.40/680,894.96 - Step 6: Final answer
x = 813,911.96
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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.