Finding the Fourth Proportional to 839,379.41, 1,259,276.70 and 270,820.56
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Solution
The fourth proportional to 839,379.41, 1,259,276.70 and 270,820.56 is: 406,297.82
Step by Step Solution
- Step 1: Write the proportion equation
839,379.41 : 1,259,276.70 = 270,820.56 : x - Step 2: Convert to fraction form
839,379.41/1,259,276.70 = 270,820.56/x - Step 3: Cross multiply
839,379.41x = 1,259,276.70 × 270,820.56 - Step 4: Simplify right side
839,379.41x = 341,038,026,065.13 - Step 5: Solve for x
x = 341,038,026,065.13/839,379.41 - Step 6: Final answer
x = 406,297.82
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1.5x scale
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.