Finding the Fourth Proportional to 920,029.35, 1,380,326.41 and 471,065.44
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Solution
The fourth proportional to 920,029.35, 1,380,326.41 and 471,065.44 is: 706,742.74
Step by Step Solution
- Step 1: Write the proportion equation
920,029.35 : 1,380,326.41 = 471,065.44 : x - Step 2: Convert to fraction form
920,029.35/1,380,326.41 = 471,065.44/x - Step 3: Cross multiply
920,029.35x = 1,380,326.41 × 471,065.44 - Step 4: Simplify right side
920,029.35x = 650,224,067,670.27 - Step 5: Solve for x
x = 650,224,067,670.27/920,029.35 - Step 6: Final answer
x = 706,742.74
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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.