Finding the Fourth Proportional to 768,330.42, 1,060,268.13 and 424,158.96
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Solution
The fourth proportional to 768,330.42, 1,060,268.13 and 424,158.96 is: 585,323.99
Step by Step Solution
- Step 1: Write the proportion equation
768,330.42 : 1,060,268.13 = 424,158.96 : x - Step 2: Convert to fraction form
768,330.42/1,060,268.13 = 424,158.96/x - Step 3: Cross multiply
768,330.42x = 1,060,268.13 × 424,158.96 - Step 4: Simplify right side
768,330.42x = 449,722,227,341.95 - Step 5: Solve for x
x = 449,722,227,341.95/768,330.42 - Step 6: Final answer
x = 585,323.99
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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.