Finding the Fourth Proportional to 911,237.68, 1,366,965.90 and 379,118.68
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Solution
The fourth proportional to 911,237.68, 1,366,965.90 and 379,118.68 is: 568,723.53
Step by Step Solution
- Step 1: Write the proportion equation
911,237.68 : 1,366,965.90 = 379,118.68 : x - Step 2: Convert to fraction form
911,237.68/1,366,965.90 = 379,118.68/x - Step 3: Cross multiply
911,237.68x = 1,366,965.90 × 379,118.68 - Step 4: Simplify right side
911,237.68x = 518,242,307,613.01 - Step 5: Solve for x
x = 518,242,307,613.01/911,237.68 - Step 6: Final answer
x = 568,723.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.