Finding the Fourth Proportional to 740,422.80, 1,110,634.20 and 366,397.20
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Solution
The fourth proportional to 740,422.80, 1,110,634.20 and 366,397.20 is: 549,595.80
Step by Step Solution
- Step 1: Write the proportion equation
740,422.80 : 1,110,634.20 = 366,397.20 : x - Step 2: Convert to fraction form
740,422.80/1,110,634.20 = 366,397.20/x - Step 3: Cross multiply
740,422.80x = 1,110,634.20 × 366,397.20 - Step 4: Simplify right side
740,422.80x = 406,933,261,104.24 - Step 5: Solve for x
x = 406,933,261,104.24/740,422.80 - Step 6: Final answer
x = 549,595.80
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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.