Finding the Fourth Proportional to 488,685.23, 673,985.77 and 343,970.08
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Solution
The fourth proportional to 488,685.23, 673,985.77 and 343,970.08 is: 474,397.26
Step by Step Solution
- Step 1: Write the proportion equation
488,685.23 : 673,985.77 = 343,970.08 : x - Step 2: Convert to fraction form
488,685.23/673,985.77 = 343,970.08/x - Step 3: Cross multiply
488,685.23x = 673,985.77 × 343,970.08 - Step 4: Simplify right side
488,685.23x = 231,830,936,680.87 - Step 5: Solve for x
x = 231,830,936,680.87/488,685.23 - Step 6: Final answer
x = 474,397.26
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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.